[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"research-sidebar-rollups":3,"research-niche-us-tools-home-improvement-16-5-x-21-5-x1-air-filter":144},[4,11,18,25,32,39,46,53,60,67,74,81,88,95,102,109,116,123,130,137],{"nodeId":5,"label":6,"slug":7,"href":8,"nichesTracked":9,"marketSizeTotal":10},"3760931","Health & Household","health-household","\u002Fresearch\u002Fus\u002Fhealth-household",15338,15205859393,{"nodeId":12,"label":13,"slug":14,"href":15,"nichesTracked":16,"marketSizeTotal":17},"11055981","Beauty & Personal Care","beauty-personal-care","\u002Fresearch\u002Fus\u002Fbeauty-personal-care",10978,8129370268,{"nodeId":19,"label":20,"slug":21,"href":22,"nichesTracked":23,"marketSizeTotal":24},"493964","Electronics","electronics","\u002Fresearch\u002Fus\u002Felectronics",8348,8093575873,{"nodeId":26,"label":27,"slug":28,"href":29,"nichesTracked":30,"marketSizeTotal":31},"1063498","Home & Kitchen","home-kitchen","\u002Fresearch\u002Fus\u002Fhome-kitchen",11250,6171847188,{"nodeId":33,"label":34,"slug":35,"href":36,"nichesTracked":37,"marketSizeTotal":38},"468240","Tools & Home Improvement","tools-home-improvement","\u002Fresearch\u002Fus\u002Ftools-home-improvement",9536,5679978000,{"nodeId":40,"label":41,"slug":42,"href":43,"nichesTracked":44,"marketSizeTotal":45},"3238155011","Patio, Lawn & Garden","patio-lawn-garden","\u002Fresearch\u002Fus\u002Fpatio-lawn-garden",8839,4979879539,{"nodeId":47,"label":48,"slug":49,"href":50,"nichesTracked":51,"marketSizeTotal":52},"7141124011","Clothing, Shoes & Jewelry","clothing-shoes-jewelry","\u002Fresearch\u002Fus\u002Fclothing-shoes-jewelry",16932,4054319330,{"nodeId":54,"label":55,"slug":56,"href":57,"nichesTracked":58,"marketSizeTotal":59},"3375301","Sports & Outdoors","sports-outdoors","\u002Fresearch\u002Fus\u002Fsports-outdoors",8101,3930668084,{"nodeId":61,"label":62,"slug":63,"href":64,"nichesTracked":65,"marketSizeTotal":66},"2619534011","Pet Supplies","pet-supplies","\u002Fresearch\u002Fus\u002Fpet-supplies",3979,3202071599,{"nodeId":68,"label":69,"slug":70,"href":71,"nichesTracked":72,"marketSizeTotal":73},"15690151","Automotive","automotive","\u002Fresearch\u002Fus\u002Fautomotive",7287,2959139927,{"nodeId":75,"label":76,"slug":77,"href":78,"nichesTracked":79,"marketSizeTotal":80},"165797011","Baby Products","baby-products","\u002Fresearch\u002Fus\u002Fbaby-products",2473,1858793879,{"nodeId":82,"label":83,"slug":84,"href":85,"nichesTracked":86,"marketSizeTotal":87},"2335753011","Cell Phones & Accessories","cell-phones-accessories","\u002Fresearch\u002Fus\u002Fcell-phones-accessories",2222,1674713279,{"nodeId":89,"label":90,"slug":91,"href":92,"nichesTracked":93,"marketSizeTotal":94},"165795011","Toys & Games","toys-games","\u002Fresearch\u002Fus\u002Ftoys-games",3143,1662205212,{"nodeId":96,"label":97,"slug":98,"href":99,"nichesTracked":100,"marketSizeTotal":101},"2617942011","Arts, Crafts & Sewing","arts-crafts-sewing","\u002Fresearch\u002Fus\u002Farts-crafts-sewing",4656,1471576936,{"nodeId":103,"label":104,"slug":105,"href":106,"nichesTracked":107,"marketSizeTotal":108},"2619526011","Appliances","appliances","\u002Fresearch\u002Fus\u002Fappliances",845,527166679,{"nodeId":110,"label":111,"slug":112,"href":113,"nichesTracked":114,"marketSizeTotal":115},"11965861","Musical Instruments","musical-instruments","\u002Fresearch\u002Fus\u002Fmusical-instruments",437,265480238,{"nodeId":117,"label":118,"slug":119,"href":120,"nichesTracked":121,"marketSizeTotal":122},"16310161","Industrial & Scientific","industrial-scientific","\u002Fresearch\u002Fus\u002Findustrial-scientific",262,260043081,{"nodeId":124,"label":125,"slug":126,"href":127,"nichesTracked":128,"marketSizeTotal":129},"1084128","Office Products","office-products","\u002Fresearch\u002Fus\u002Foffice-products",426,134456572,{"nodeId":131,"label":132,"slug":133,"href":134,"nichesTracked":135,"marketSizeTotal":136},"10304191","Other","other","\u002Fresearch\u002Fus\u002Fother",8,1511091,{"nodeId":138,"label":139,"slug":140,"href":141,"nichesTracked":142,"marketSizeTotal":143},"18981046011","Amazon Luxury","amazon-luxury","\u002Fresearch\u002Fus\u002Famazon-luxury",2,78675,{"amazonNicheId":145,"marketplaceFlag":146,"country":147,"category":150,"niche":151,"verdict":184,"baselines":219,"demand":224,"seasonality":529,"brandShare":542,"products":553,"feedback":599,"searchTerms":702,"related":718,"lastUpdated":172},"14ad5482281bdbddb6ae27e991833ac0","us",{"flag":146,"name":148,"currency":149},"United States","USD",{"nodeId":33,"label":34,"slug":35,"href":36},{"marketSize":152,"searchVolume":153,"growth360":154,"growth90":155,"searchConversion":156,"top5ClickShare":157,"top5BrandShare":157,"avgRating":158,"avgReviewCount":159,"avgPrice":160,"priceMin":161,"priceMax":162,"productCount":163,"unitsSoldMax":164,"sponsoredPct":165,"returnRate":166,"successfulLaunches360":167,"newProducts360":167,"amazonNicheId":145,"title":168,"slug":169,"href":170,"leafCategoryName":171,"scrapedAt":172,"brandCount":173,"brandCountYearAgo":174,"sellerCount":163,"signals":175,"avgBsr":176,"pageQuality":167,"unitsSoldMin":177,"unitsSoldAvgMin":178,"unitsSoldAvgMax":179,"revenueMin":180,"revenueMax":181,"avgBrandAgeMonths":182,"avgSellerAgeDays":183,"top20ClickShare":157,"top20BrandShare":157,"primePct":165,"oosRate":167},125860,19273,1.6679,0.2735,0.1592,1,4.66,3366,41.02,33.33,54.91,5,3000,0.8,0.0196,0,"16.5 x 21.5 x1 air filter","16-5-x-21-5-x1-air-filter","\u002Fresearch\u002Fus\u002Ftools-home-improvement\u002F16-5-x-21-5-x1-air-filter","Furnace Parts & Accessories","2026-07-27T04:15:36.088866+00:00",3,4,[],94,2500,250,500,102550,123060,81,217,{"score":185,"verdict":186,"components":187},43,"skip",[188,193,196,200,202,204,207,211,214,217],{"key":189,"score":190,"weight":191,"raw":192},"marketSize",29,0.15,125860.09,{"key":194,"score":195,"weight":191,"raw":155},"growth",55,{"key":197,"score":198,"weight":199,"raw":156},"conversion",97,0.1,{"key":201,"score":167,"weight":191,"raw":157},"competition",{"key":203,"score":167,"weight":199,"raw":157},"brandShare",{"key":205,"score":206,"weight":199,"raw":158},"qualityGap",21,{"key":208,"score":209,"weight":210,"raw":159},"reviewMoat",31,0.05,{"key":212,"score":213,"weight":199,"raw":166},"returns",76,{"key":215,"score":216,"weight":210,"raw":160},"avgPrice",95,{"key":218,"score":216,"weight":210,"raw":157},"priceRange",{"avgRating":220,"medianPrice":221,"medianReturnRate":222,"nichesTracked":223},4.42,24.38,0.0215,115062,{"points":225,"droppedPartialWeek":528},[226,229,232,235,238,241,244,247,250,253,256,259,262,265,268,271,274,277,280,283,286,289,292,295,298,301,304,307,310,313,316,319,322,325,328,331,334,337,340,343,346,349,352,355,358,361,364,367,370,373,376,379,382,385,388,391,394,396,399,402,405,408,411,413,416,419,422,425,428,431,434,437,440,443,446,449,452,455,458,461,464,467,470,473,475,478,481,484,486,489,492,495,498,501,504,507,510,513,516,519,522,525],{"week":227,"volume":228},"2024-07-28",552,{"week":230,"volume":231},"2024-08-04",540,{"week":233,"volume":234},"2024-08-11",536,{"week":236,"volume":237},"2024-08-18",584,{"week":239,"volume":240},"2024-08-25",494,{"week":242,"volume":243},"2024-09-15",853,{"week":245,"volume":246},"2024-09-22",779,{"week":248,"volume":249},"2024-09-29",837,{"week":251,"volume":252},"2024-10-06",1676,{"week":254,"volume":255},"2024-10-13",1473,{"week":257,"volume":258},"2024-10-20",1413,{"week":260,"volume":261},"2024-10-27",1156,{"week":263,"volume":264},"2024-11-03",1186,{"week":266,"volume":267},"2024-11-10",1286,{"week":269,"volume":270},"2024-11-17",1316,{"week":272,"volume":273},"2024-11-24",1162,{"week":275,"volume":276},"2024-12-01",1014,{"week":278,"volume":279},"2024-12-08",1111,{"week":281,"volume":282},"2024-12-15",792,{"week":284,"volume":285},"2024-12-22",866,{"week":287,"volume":288},"2024-12-29",800,{"week":290,"volume":291},"2025-01-05",1220,{"week":293,"volume":294},"2025-01-12",1142,{"week":296,"volume":297},"2025-01-19",1306,{"week":299,"volume":300},"2025-01-26",1320,{"week":302,"volume":303},"2025-02-02",1044,{"week":305,"volume":306},"2025-02-09",1098,{"week":308,"volume":309},"2025-02-16",1200,{"week":311,"volume":312},"2025-02-23",1236,{"week":314,"volume":315},"2025-03-02",939,{"week":317,"volume":318},"2025-03-09",220,{"week":320,"volume":321},"2025-03-16",259,{"week":323,"volume":324},"2025-03-23",269,{"week":326,"volume":327},"2025-03-30",247,{"week":329,"volume":330},"2025-04-06",459,{"week":332,"volume":333},"2025-04-13",279,{"week":335,"volume":336},"2025-04-20",335,{"week":338,"volume":339},"2025-04-27",304,{"week":341,"volume":342},"2025-05-04",274,{"week":344,"volume":345},"2025-05-11",276,{"week":347,"volume":348},"2025-05-18",309,{"week":350,"volume":351},"2025-05-25",295,{"week":353,"volume":354},"2025-06-01",299,{"week":356,"volume":357},"2025-06-08",261,{"week":359,"volume":360},"2025-06-15",332,{"week":362,"volume":363},"2025-06-22",352,{"week":365,"volume":366},"2025-06-29",564,{"week":368,"volume":369},"2025-07-06",474,{"week":371,"volume":372},"2025-07-13",620,{"week":374,"volume":375},"2025-07-20",441,{"week":377,"volume":378},"2025-07-27",432,{"week":380,"volume":381},"2025-08-03",580,{"week":383,"volume":384},"2025-08-10",378,{"week":386,"volume":387},"2025-08-17",357,{"week":389,"volume":390},"2025-08-24",339,{"week":392,"volume":393},"2025-08-31",290,{"week":395,"volume":354},"2025-09-07",{"week":397,"volume":398},"2025-09-14",208,{"week":400,"volume":401},"2025-09-21",243,{"week":403,"volume":404},"2025-09-28",209,{"week":406,"volume":407},"2025-10-05",298,{"week":409,"volume":410},"2025-10-12",337,{"week":412,"volume":336},"2025-10-19",{"week":414,"volume":415},"2025-10-26",275,{"week":417,"volume":418},"2025-11-02",899,{"week":420,"volume":421},"2025-11-09",949,{"week":423,"volume":424},"2025-11-16",1036,{"week":426,"volume":427},"2025-11-23",856,{"week":429,"volume":430},"2025-11-30",732,{"week":432,"volume":433},"2025-12-07",886,{"week":435,"volume":436},"2025-12-14",674,{"week":438,"volume":439},"2025-12-21",656,{"week":441,"volume":442},"2025-12-28",646,{"week":444,"volume":445},"2026-01-04",1002,{"week":447,"volume":448},"2026-01-11",907,{"week":450,"volume":451},"2026-01-18",947,{"week":453,"volume":454},"2026-01-25",1000,{"week":456,"volume":457},"2026-02-01",953,{"week":459,"volume":460},"2026-02-08",924,{"week":462,"volume":463},"2026-02-15",829,{"week":465,"volume":466},"2026-02-22",992,{"week":468,"volume":469},"2026-03-01",962,{"week":471,"volume":472},"2026-03-08",1175,{"week":474,"volume":261},"2026-03-15",{"week":476,"volume":477},"2026-03-22",858,{"week":479,"volume":480},"2026-03-29",963,{"week":482,"volume":483},"2026-04-05",1073,{"week":485,"volume":279},"2026-04-12",{"week":487,"volume":488},"2026-04-19",1294,{"week":490,"volume":491},"2026-04-26",1051,{"week":493,"volume":494},"2026-05-03",976,{"week":496,"volume":497},"2026-05-10",1115,{"week":499,"volume":500},"2026-05-17",942,{"week":502,"volume":503},"2026-05-24",1317,{"week":505,"volume":506},"2026-05-31",1556,{"week":508,"volume":509},"2026-06-07",1438,{"week":511,"volume":512},"2026-06-14",1298,{"week":514,"volume":515},"2026-06-21",1339,{"week":517,"volume":518},"2026-06-28",1768,{"week":520,"volume":521},"2026-07-05",611,{"week":523,"volume":524},"2026-07-12",537,{"week":526,"volume":527},"2026-07-19",534,false,[530,531,532,533,534,535,536,537,538,539,540,541],1.4035124841303428,1.3133728311468473,0.8947947524333474,0.937261955141769,0.9959091550289181,1.0792777542671745,0.6666842996191282,0.5780787134997885,0.6217278278217763,1.1050042319085909,1.329101424742559,1.0502186486105234,{"top":543,"otherBrandCount":167,"otherClickShare":167},[544,547,550],{"brand":545,"clickShare":546},"Aerostar",0.5725,{"brand":548,"clickShare":549},"Filtrete",0.3874,{"brand":551,"clickShare":552},"Filter King",0.0401,[554,565,575,584,593],{"asin":555,"title":556,"brand":545,"imageUrl":557,"price":558,"rating":559,"reviews":560,"clickShare90":561,"clickShare360":562,"launchDate":563,"amazonUrl":564},"B01CSWQ79U","Aerostar 16.5x21.5x1 MERV 8 - 6 Count - High Efficiency Pleated HVAC Furnace & Air Conditioner Filters - Removes Dust Lint Mold & Allergy-Causing Pollen","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F51JPqDYICrL.jpg",37.93,4.6,2445,0.4541,0.4234,"2016-03-09","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB01CSWQ79U",{"asin":566,"title":567,"brand":548,"imageUrl":568,"price":569,"rating":570,"reviews":571,"clickShare90":549,"clickShare360":572,"launchDate":573,"amazonUrl":574},"B0CZBTYX4J","Filtrete 16.5x21.5x1 AC Furnace Air Filter MERV 8 MPR 700 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 4-Pack (Actual Size 16.19 x 21.19 x 0.81 in)","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41ztXIShUQL.jpg",38.62,4.7,6265,0.3649,"2024-04-01","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0CZBTYX4J",{"asin":576,"title":577,"brand":545,"imageUrl":578,"price":161,"rating":570,"reviews":579,"clickShare90":580,"clickShare360":581,"launchDate":582,"amazonUrl":583},"B0813SW6FK","Aerostar 16.375x21.5x1 MERV 11 Air Filter 4 Count ACTUAL SIZE (16.50 x 21.50 x 0.75) HVAC Air Conditioning & Furnace Filter for Dust Pet Dander Smoke & Allergies (MPR 1200 \u002F FPR 7) Made in USA","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41E9w3RpLgL.jpg",4106,0.0899,0.1457,"2019-12-04","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0813SW6FK",{"asin":585,"title":586,"brand":551,"imageUrl":587,"price":588,"rating":570,"reviews":589,"clickShare90":552,"clickShare360":590,"launchDate":591,"amazonUrl":592},"B0BJ4QLHJL","Filter King 16.5x21.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: : 16.5 x 21.5 x .75)","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F51so9BEUcQL.jpg",40.32,1569,0.0445,"2022-10-13","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0BJ4QLHJL",{"asin":594,"title":595,"brand":545,"imageUrl":596,"price":162,"rating":559,"reviews":560,"clickShare90":597,"clickShare360":222,"launchDate":563,"amazonUrl":598},"B01CR9JK8O","Aerostar 16.5x21.5x1 MERV 11 - 6 Count - Pleated HVAC Furnace & Air Conditioner Filters - Removes Dust Cold & Flu Germs Lint Mold Pet Dander Allergy-Causing Pollen Smog & Smoke","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F51fklsHjfSL.jpg",0.0285,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB01CR9JK8O",{"love":600,"hate":655,"returnReasons":680},[601,608,615,620,626,633,638,642,646,651],{"topic":602,"percentOfMentions":603,"verbatims":604},"Quality-Overall",0.3611,[605,606,607],"Good quality","Did seem like decent quality other than that","The product is good",{"topic":609,"percentOfMentions":610,"verbatims":611},"Filtration",0.19440000000000002,[612,613,614],"Really good filters","Plus my water filters are really awesome too","Great quality and Filtrete offers the uncommon dimensions of my AC system",{"topic":616,"percentOfMentions":617,"verbatims":618},"Advertised Vs Actual Product",0.0833,[619],"As advertised",{"topic":621,"percentOfMentions":617,"verbatims":622},"Size-Overall",[623,624,625],"They fit nicely, dont flop around. horizontal install., and do a good job catching small and large particles","This is the perfect size","Perfect size for an odd sized filter slot",{"topic":627,"percentOfMentions":628,"verbatims":629},"Value For Money",0.0694,[630,631,632],"Perfect and Great price","also an amazing price","the price is hard to beat",{"topic":634,"percentOfMentions":635,"verbatims":636},"Functionality-Overall",0.0417,[637],"do a good job catching small and large particles",{"topic":639,"percentOfMentions":635,"verbatims":640},"Ease Of Use",[641],"Easy to use",{"topic":643,"percentOfMentions":635,"verbatims":644},"Storage Capacity",[645],"love having a bulk supply",{"topic":647,"percentOfMentions":648,"verbatims":649},"Assembly\u002FInstallation",0.0278,[650],"So easy to install",{"topic":652,"percentOfMentions":648,"verbatims":653},"Color",[654],"Love the color white also",[656,661,665,669,673,677],{"topic":602,"percentOfMentions":657,"verbatims":658},0.22219999999999998,[659,660],"very cheap","Cheap and defective",{"topic":609,"percentOfMentions":662,"verbatims":663},0.11109999999999999,[664],"This filter is incredibly cheap and flimsy",{"topic":621,"percentOfMentions":662,"verbatims":666},[667,668],"Was given the wrong size","I was sent a size that was a little off from what I ordered",{"topic":670,"percentOfMentions":662,"verbatims":671},"Strength",[672],"Flimsy, very cheap",{"topic":674,"percentOfMentions":662,"verbatims":675},"Design-Overall",[676],"Definite design flaw",{"topic":647,"percentOfMentions":662,"verbatims":678},[679],"when it literally crumbles in your hand trying to install it, its garbage",[681,683,685,688,691,693,694,695,697,699],{"reason":621,"pct":682},0.6328,{"reason":609,"pct":684},0.209,{"reason":686,"pct":687},"Compatibility-Overall",0.0781,{"reason":689,"pct":690},"Defective Material\u002FParts",0.0195,{"reason":627,"pct":692},0.0078000000000000005,{"reason":602,"pct":692},{"reason":616,"pct":692},{"reason":696,"pct":692},"Certifications",{"reason":698,"pct":692},"Thickness",{"reason":700,"pct":701},"Thin",0.0039000000000000003,[703,708,713],{"term":704,"volume":705,"growthQoq":706,"conversionRate":707},"16.5x21.5x1 air filter",12143,0.2316,0.0794,{"term":709,"volume":710,"growthQoq":711,"conversionRate":712},"16.5 x 21.5 x 1 air filter",4249,0.3498,0.0825,{"term":714,"volume":715,"growthQoq":716,"conversionRate":717},"16 1\u002F2 x 21 1\u002F2 x 1 air filter",2881,0.3707,0.0673,[719,726,731,737,742,747],{"title":720,"href":721,"score":722,"verdict":723,"marketSize":724,"growth90":725},"solar outdoor lights","\u002Fresearch\u002Fus\u002Ftools-home-improvement\u002Fsolar-outdoor-lights",73,"launch",30232210.13,0.3975,{"title":727,"href":728,"score":722,"verdict":723,"marketSize":729,"growth90":730},"shower lamp","\u002Fresearch\u002Fus\u002Ftools-home-improvement\u002Fshower-lamp",2808858.79,0.3022,{"title":732,"href":733,"score":722,"verdict":734,"marketSize":735,"growth90":736},"solar flowers","\u002Fresearch\u002Fus\u002Ftools-home-improvement\u002Fsolar-flowers","watch",607057.05,0.5197,{"title":738,"href":739,"score":722,"verdict":734,"marketSize":740,"growth90":741},"american flag lights","\u002Fresearch\u002Fus\u002Ftools-home-improvement\u002Famerican-flag-lights",464753.65,7.3646,{"title":743,"href":744,"score":722,"verdict":723,"marketSize":745,"growth90":746},"solar fairy lights","\u002Fresearch\u002Fus\u002Ftools-home-improvement\u002Fsolar-fairy-lights",3537050.86,0.6461,{"title":748,"href":749,"score":722,"verdict":734,"marketSize":750,"growth90":751},"solar watering can with cascading lights","\u002Fresearch\u002Fus\u002Ftools-home-improvement\u002Fsolar-watering-can-with-cascading-lights",304331.87,1.2429]