Sterling Seal & Supply
Sterling Seal 139-7470 1/2" NPT O-Ring Rubber Seal
You will notice the CPC2G Ceramic Pourable Compound does not shrink or crack in thick pours.
Expanded Joint Sealant PTFE, 3/8” wide x 50' Sterling Seal-1 Spool
What stands out about the 1620 is its lightweight yet durable body.