Quick view Add to Cart 3C Sealants 3C Sealants Cox Easiflow HD 10" Silicone Sealant Gun - Heavy Duty Manual Mastic Sealant Applicator for 290ml–400ml Tubes, Metal Frame, for Silicones, Adhesives, Polymers, Polyurethanes & Acrylics MSRP: $55.99 Was: Now: $34.95 Quick view Add to Cart