{"product_id":"4-sizes-in-1-insulated-vent-cover-for-rectangular-hvac-registers-universal-fit-magnetic-draft-blocker","title":"Elima Draft - 4 Sizes-in-1 Insulated Vent Cover for Rectangular HVAC Registers","description":"\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-US\"\u003eFrustrated trying to figure out your exact rectangular vent size? Tired of cold air blowing from HVAC vents all winter while your heating bills climb? Most homeowners waste hundreds of dollars annually because uncovered rectangular vents act like open windows, letting freezing drafts pour in while expensive heated air escapes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-US\"\u003eThis universal 4 sizes-in-1 insulated vent cover for rectangular vents eliminates the guesswork. One adjustable cover fits four common rectangular vent sizes, creating an airtight magnetic seal that stops cold air infiltration and heat loss instantly. Homeowners report saving 10% or more on heating costs by covering unused vents during winter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-US\"\u003eNo measuring, no tools, no damage to walls – just instant energy savings and comfort.\u003c\/span\u003e\u003c\/p\u003e","brand":"SUPPLYOWL.COM","offers":[{"title":"Default Title","offer_id":51688806711589,"sku":null,"price":100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0914\/8307\/8949\/files\/BackofInsulatedRectangle.jpg?v=1764578389","url":"https:\/\/www.supplyowl.com\/products\/4-sizes-in-1-insulated-vent-cover-for-rectangular-hvac-registers-universal-fit-magnetic-draft-blocker","provider":"SUPPLYOWL.COM","version":"1.0","type":"link"}