Selkirk Universal Tee Cap Retainer (UltimateONE) d5.125 Helps prevent rain and debris

Helps prevent rain and debris from entering the vent

Wait at least 5 minutes to make sure the cup has cooled down before throwing out the can and using another

50 Product Depth/Length (in) 12

Fire Glass (90 lb) Certification CSA Certified in US & Canada to ANSI Z21

U/Hour rating maximum 297

Selkirk Universal Tee Cap Retainer (UltimateONE) d5.125 Helps prevent rain and debrisSelkirk Universal Tee Cap Retainer Used to secure tee cap on the bottom side of Insulated Tee when suspended. Adjusts to fit all chimney diameters. Ultimate One Chimney UltimateONEs inner liner and outer casing are constructed of all welded 304 stainless steel for superior strength and corrosion resistance. Engineered with a web coupler design utilizing 1" of Superwool insulation that contacts at the seam, creating a continuous column of protection.