CRL Dual Hytrel Cup Caulking & Urethane Heaters/Coolers Use to keep caulking cartridges

Use to keep caulking cartridges

and other common building substrates

formed-in-place silicone rubber building joint and glazing sealant

*For best results

CRL Dual Hytrel Cup Caulking & Urethane Heaters/Coolers Use to keep caulking cartridgesReplaces Worn Leathers in Bulk Load Guns The most commonly worn out component part in bulk caulking guns are the leather cups. CRL Dual Hytrel Cups replace the leather cups found in most 2" (51 mm) diameter barrels. Product images shown are of the actual product or a close representation. Colors can vary depending on your computer's video card and on how your monitor's color is adjusted.