{"product_id":"protech-21-x-21-x-5-pd540040-merv-8-copy","title":"PROTECH 21 x 21 x 5 PD540042 (Merv 8)","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cul\u003e\n\u003cli\u003eRated Air Flow - 1800 CFM\u003c\/li\u003e\n\u003cli\u003eNominal Width 21\"\u003c\/li\u003e\n\u003cli\u003eActual Width 20-3\/4\"\u003c\/li\u003e\n\u003cli\u003eNominal Length 21\"\u003c\/li\u003e\n\u003cli\u003eActual Length 20-3\/4\"\u003c\/li\u003e\n\u003cli\u003eNominal Thickness 5\"\u003c\/li\u003e\n\u003cli\u003eActual Thickness 4-3\/8\"\u003c\/li\u003e\n\u003cli\u003ePressure Drop at 800 CFM (in. W.C.): 0.090\u003c\/li\u003e\n\u003cli\u003ePressure Drop at 1000 CFM (in. W.C.): 0.110\u003c\/li\u003e\n\u003cli\u003ePressure Drop at 1200 CFM (in. W.C.): 0.150\u003c\/li\u003e\n\u003cli\u003ePressure Drop at 1400 CFM (in. W.C.): 0.190\u003c\/li\u003e\n\u003cli\u003ePressure Drop at 1600 CFM (in. W.C.): 0.240\u003c\/li\u003e\n\u003cli\u003ePressure Drop at 1800 CFM (in. W.C.): 0.290\u003c\/li\u003e\n\u003cli\u003eFits Model [*]XHF-E21 Media Air Cleaner Housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cb\u003eReplaces\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003ePD540012\u003c\/li\u003e\n\u003cli\u003e540012S\u003c\/li\u003e\n\u003cli\u003e540018\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Gemaire","offers":[{"title":"Default Title","offer_id":44828952428591,"sku":"PD540042","price":64.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6257\/1311\/files\/download_1.png?v=1767629946","url":"https:\/\/staycoolsupply.com\/products\/protech-21-x-21-x-5-pd540040-merv-8-copy","provider":"Stay Cool Supply By Mr. Cool Air Conditioning \u0026 Heating","version":"1.0","type":"link"}