[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"research-sidebar-rollups":3,"research-niche-us-tools-home-improvement-19-5x19-5x1-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":183,"baselines":219,"demand":224,"seasonality":371,"brandShare":372,"products":380,"feedback":439,"searchTerms":487,"related":502,"lastUpdated":172},"fc32bed2-7f12-4c94-aee6-25e16a06262b","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":158,"avgRating":159,"avgReviewCount":160,"avgPrice":161,"priceMin":162,"priceMax":163,"productCount":164,"unitsSoldMax":165,"sponsoredPct":158,"returnRate":166,"successfulLaunches360":167,"newProducts360":142,"amazonNicheId":145,"title":168,"slug":169,"href":170,"leafCategoryName":171,"scrapedAt":172,"brandCount":142,"brandCountYearAgo":164,"sellerCount":164,"signals":173,"avgBsr":174,"pageQuality":167,"unitsSoldMin":175,"unitsSoldAvgMin":176,"unitsSoldAvgMax":177,"revenueMin":178,"revenueMax":179,"avgBrandAgeMonths":180,"avgSellerAgeDays":181,"top20ClickShare":158,"top20BrandShare":158,"primePct":182,"oosRate":167},80397,14672,1.3753,0.4592,0.123,0.9592,1,4.63,800,44.55,34.04,53.04,6,2500,0.0046,0,"19.5x19.5x1 air filter","19-5x19-5x1-air-filter","\u002Fresearch\u002Fus\u002Ftools-home-improvement\u002F19-5x19-5x1-air-filter","Furnace Parts & Accessories","2026-07-27T04:15:36.088866+00:00",[],271,2000,100,250,89100,111375,79,209,0.1667,{"score":184,"verdict":185,"components":186},48,"skip",[187,192,195,199,202,204,207,212,215,217],{"key":188,"score":189,"weight":190,"raw":191},"marketSize",20,0.15,80397.42,{"key":193,"score":194,"weight":190,"raw":155},"growth",66,{"key":196,"score":197,"weight":198,"raw":156},"conversion",95,0.1,{"key":200,"score":201,"weight":190,"raw":157},"competition",3,{"key":203,"score":167,"weight":198,"raw":158},"brandShare",{"key":205,"score":206,"weight":198,"raw":159},"qualityGap",23,{"key":208,"score":209,"weight":210,"raw":211},"reviewMoat",67,0.05,800.33,{"key":213,"score":214,"weight":198,"raw":166},"returns",98,{"key":216,"score":197,"weight":210,"raw":161},"avgPrice",{"key":218,"score":197,"weight":210,"raw":158},"priceRange",{"avgRating":220,"medianPrice":221,"medianReturnRate":222,"nichesTracked":223},4.42,24.38,0.0215,115062,{"points":225,"droppedPartialWeek":370},[226,229,232,235,238,241,244,247,250,253,256,259,261,264,267,270,273,276,279,282,285,288,291,294,297,300,302,304,307,309,312,315,318,321,323,326,329,332,335,338,340,342,345,348,350,353,356,358,361,364,367],{"week":227,"volume":228},"2025-08-03",322,{"week":230,"volume":231},"2025-08-10",384,{"week":233,"volume":234},"2025-08-17",350,{"week":236,"volume":237},"2025-08-24",393,{"week":239,"volume":240},"2025-08-31",363,{"week":242,"volume":243},"2025-09-07",280,{"week":245,"volume":246},"2025-09-14",147,{"week":248,"volume":249},"2025-09-21",204,{"week":251,"volume":252},"2025-09-28",231,{"week":254,"volume":255},"2025-10-05",256,{"week":257,"volume":258},"2025-10-12",257,{"week":260,"volume":252},"2025-10-19",{"week":262,"volume":263},"2025-10-26",348,{"week":265,"volume":266},"2025-11-02",270,{"week":268,"volume":269},"2025-11-09",254,{"week":271,"volume":272},"2025-11-16",240,{"week":274,"volume":275},"2025-11-23",253,{"week":277,"volume":278},"2025-11-30",247,{"week":280,"volume":281},"2025-12-07",284,{"week":283,"volume":284},"2025-12-14",210,{"week":286,"volume":287},"2025-12-21",183,{"week":289,"volume":290},"2025-12-28",172,{"week":292,"volume":293},"2026-01-04",286,{"week":295,"volume":296},"2026-01-11",238,{"week":298,"volume":299},"2026-01-18",274,{"week":301,"volume":299},"2026-01-25",{"week":303,"volume":252},"2026-02-01",{"week":305,"volume":306},"2026-02-08",264,{"week":308,"volume":249},"2026-02-15",{"week":310,"volume":311},"2026-02-22",239,{"week":313,"volume":314},"2026-03-01",224,{"week":316,"volume":317},"2026-03-08",279,{"week":319,"volume":320},"2026-03-15",227,{"week":322,"volume":177},"2026-03-22",{"week":324,"volume":325},"2026-03-29",228,{"week":327,"volume":328},"2026-04-05",200,{"week":330,"volume":331},"2026-04-12",216,{"week":333,"volume":334},"2026-04-19",276,{"week":336,"volume":337},"2026-04-26",275,{"week":339,"volume":255},"2026-05-03",{"week":341,"volume":258},"2026-05-10",{"week":343,"volume":344},"2026-05-17",314,{"week":346,"volume":347},"2026-05-24",267,{"week":349,"volume":121},"2026-05-31",{"week":351,"volume":352},"2026-06-07",317,{"week":354,"volume":355},"2026-06-14",390,{"week":357,"volume":355},"2026-06-21",{"week":359,"volume":360},"2026-06-28",508,{"week":362,"volume":363},"2026-07-05",453,{"week":365,"volume":366},"2026-07-12",405,{"week":368,"volume":369},"2026-07-19",447,false,null,{"top":373,"otherBrandCount":167,"otherClickShare":167},[374,377],{"brand":375,"clickShare":376},"Filter King",0.9452,{"brand":378,"clickShare":379},"Aerostar",0.0548,[381,392,403,412,420,429],{"asin":382,"title":383,"brand":375,"imageUrl":384,"price":385,"rating":386,"reviews":387,"clickShare90":388,"clickShare360":389,"launchDate":390,"amazonUrl":391},"B07FQYMDN4","Filter King 19.5x19.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 19.5 x .75)","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F51xaCK74GAL.jpg",38.91,4.7,1569,0.5734,0.5568,"2018-07-20","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB07FQYMDN4",{"asin":393,"title":394,"brand":375,"imageUrl":395,"price":396,"rating":397,"reviews":398,"clickShare90":399,"clickShare360":400,"launchDate":401,"amazonUrl":402},"B07HFG7G2F","Filter King 19.5x19.5x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 19.5 x .75)","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F51e+0YeG6HL.jpg",50.35,4.6,39,0.141,0.1225,"2018-09-17","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB07HFG7G2F",{"asin":404,"title":405,"brand":375,"imageUrl":406,"price":162,"rating":386,"reviews":407,"clickShare90":408,"clickShare360":409,"launchDate":410,"amazonUrl":411},"B0BV4XQCL7","Filter King 19.5x19.5x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 19.5 x .75)","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F518l+AxB7VL.jpg",1771,0.0956,0.0629,"2023-02-07","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0BV4XQCL7",{"asin":413,"title":414,"brand":375,"imageUrl":415,"price":163,"rating":397,"reviews":416,"clickShare90":417,"clickShare360":418,"launchDate":365,"amazonUrl":419},"B07J6T17V6","Filter King 19.5x19.5x1 Air Filter (MERV 11) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 19.5 x .75)","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F01RmK+J4pJL.gif",810,0.0944,0.0919,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB07J6T17V6",{"asin":421,"title":422,"brand":378,"imageUrl":423,"price":424,"rating":386,"reviews":425,"clickShare90":379,"clickShare360":426,"launchDate":427,"amazonUrl":428},"B07TWNSQ8H","Aerostar 19.5x19.5x1 MERV 8 - 4 Count - High Efficiency Pleated HVAC Furnace & Air Conditioner Filters - Removes Dust Lint Mold & Allergy-Causing Pollen","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41xkIMt-oaL.jpg",38.76,378,0.1012,"2019-06-27","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB07TWNSQ8H",{"asin":430,"title":431,"brand":375,"imageUrl":415,"price":432,"rating":433,"reviews":434,"clickShare90":435,"clickShare360":436,"launchDate":437,"amazonUrl":438},"B0CGXT113R","Filter King 19.5x19.5x1 Air Filter (MERV 13) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 19.5 x .75)",52.17,4.5,235,0.0408,0.0647,"2026-07-14","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0CGXT113R",{"love":440,"hate":465,"returnReasons":470},[441,448,455,460],{"topic":442,"percentOfMentions":443,"verbatims":444},"Size-Overall",0.5556,[445,446,447],"Fits perfectly","Perfect fit for my oddball HVAC system","fit perfect, good quality",{"topic":449,"percentOfMentions":450,"verbatims":451},"Quality-Overall",0.3055,[452,453,454],"good quality","GOOD PRODUCT","Well made and Amazon has it where most retailers do not have this size",{"topic":456,"percentOfMentions":457,"verbatims":458},"Assembly\u002FInstallation",0.0833,[459],"is easy to install",{"topic":461,"percentOfMentions":462,"verbatims":463},"Value For Money",0.0556,[464],"good price",[466],{"topic":442,"percentOfMentions":158,"verbatims":467},[468,469],"was a little big","just 1\u002F4 too large",[471,473,475,477,480,481,482,484],{"reason":442,"pct":472},0.81,{"reason":474,"pct":210},"Filtration",{"reason":476,"pct":210},"Compatibility-Overall",{"reason":478,"pct":479},"Water Resistance",0.02,{"reason":461,"pct":479},{"reason":456,"pct":479},{"reason":483,"pct":479},"Measurement\u002FReading Accuracy",{"reason":485,"pct":486},"Functionality-Overall",0.01,[488,492,497],{"term":168,"volume":489,"growthQoq":490,"conversionRate":491},9324,0.6553,0.0765,{"term":493,"volume":494,"growthQoq":495,"conversionRate":496},"19.5 x 19.5 air filter",3199,-0.1671,0.0888,{"term":498,"volume":499,"growthQoq":500,"conversionRate":501},"19 1\u002F2 x 19 1\u002F2 x 1 air filter",2149,0.7507,0.0617,[503,510,515,521,526,531],{"title":504,"href":505,"score":506,"verdict":507,"marketSize":508,"growth90":509},"solar outdoor lights","\u002Fresearch\u002Fus\u002Ftools-home-improvement\u002Fsolar-outdoor-lights",73,"launch",30232210.13,0.3975,{"title":511,"href":512,"score":506,"verdict":507,"marketSize":513,"growth90":514},"shower lamp","\u002Fresearch\u002Fus\u002Ftools-home-improvement\u002Fshower-lamp",2808858.79,0.3022,{"title":516,"href":517,"score":506,"verdict":518,"marketSize":519,"growth90":520},"solar flowers","\u002Fresearch\u002Fus\u002Ftools-home-improvement\u002Fsolar-flowers","watch",607057.05,0.5197,{"title":522,"href":523,"score":506,"verdict":518,"marketSize":524,"growth90":525},"american flag lights","\u002Fresearch\u002Fus\u002Ftools-home-improvement\u002Famerican-flag-lights",464753.65,7.3646,{"title":527,"href":528,"score":506,"verdict":507,"marketSize":529,"growth90":530},"solar fairy lights","\u002Fresearch\u002Fus\u002Ftools-home-improvement\u002Fsolar-fairy-lights",3537050.86,0.6461,{"title":532,"href":533,"score":506,"verdict":518,"marketSize":534,"growth90":535},"solar watering can with cascading lights","\u002Fresearch\u002Fus\u002Ftools-home-improvement\u002Fsolar-watering-can-with-cascading-lights",304331.87,1.2429]