Frost King 3 in. x 3 ft. Fiberglass Self-Sealing Pre-Slit Pipe Cover F17XAD - The Home Depot
24 Pcs Pipe Insulation Foam Tube for 3/4 Inch Water Pipe, Pre Slit Self Adhesive Foam Pipe Covers Plumbing Insulation for Outdoor Indoor Water Pipe Pipeline - Amazon.com
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Frost King 3/4 in. x 3 ft. Fiberglass Self-Sealing Pre-Slit Pipe Cover F11XAD - The Home Depot