CLEASBY MASTIC GUN Category: Spray Equipment Product Information CLEASBY MASTIC GUN with 1/2” high pressure ball valve. Cleasby Mastic GunSO4355 Related Products DIRECT IMMERSION KIT Read more CLEASBY MASTIC ROOF GUN Read more 2,250 PSI SPRAY HOSE Read more GRACO HYDRAULIC SPRAYERS Read more