SPECSEAL Firestop Pipe Collar: 6 in For Pipe Size, Plastic Pipe, Up to 3 hr - 12Z619|SSC600 - Grainger
PVC press. pipe collar, 75 mm, 183159 | Wholesale Van Walraven
Goof Proof Shower Goof Proof Waterproofing Sheet Membrane Underlayment Flexible Pipe Collar 4.25 in. x 4.25 in. x 20mil GPFPC-Flexible Pipe Collar - The Home Depot
Creative Composites Roof Vent Pipe Collar Repair for 1-1/2 in. I.D. Vent Pipe in Black F15 - The Home Depot