Amazon.com: Magnetic Fireplace Draft Stopper - 2pcs Fireplace Vent Covers, Screen Insulation Blocker for Winter Indoor Prevent Cold Air and Heat Loss (Black, 36 x 4in) : Home & Kitchen
Amazon.com: Draft Décor Magnetic Fireplace Vent Cover Made in USA (40 Sizes&Sample) Blocks Cold Air from Fireplace Vents Magnetic Vinyl Cover Prevents Heat Loss/Cold Draft from Fireplace 40" x 5 1/2" ONE :
Termination Cap Cover for Direct Vent Fireplace | Direct Vent Fireplace Draft Stopper
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430 Stainless Steel Fireplace Mesh Chimney Top Vent Cover For Outdoor Fireplace Flues, Roof Chimneys, Vent Ducts, 1 Pack | Fruugo UK
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QULACO Protective roof Stainless Steel Fireplace Tubes with Mushroom-Shaped rain Cover Protector for Fume Duct Smoke Tube Cover, end of The Exhaust Pipe,125mm : Amazon.co.uk: DIY & Tools