CLEASBY MASTIC GUN Category: Spray Equipment Product Information CLEASBY MASTIC GUN with 1/2” high pressure ball valve. Cleasby Mastic GunSO4355 Related Products GRACO HYDRAULIC SPRAYERS Read more CLEASBY MASTIC ROOF GUN Read more MASTIC ROOF GUN Read more GMAX II 7900 PROCONTRACTOR SERIES Read more