Graco 25V432 Fusion ProConnect Cartidge for LineLazer 1:1 MMA Stripers - 4 Pack, part number 25V432. Replacement cartridge for the Graco Fusion ProConnect (PC) spray gun, supplied as a 4-pack. For linelazer 1:1 mma (methyl methacrylate) striping. The ProConnect cartridge carries the gun's wear components for quick field replacement. All values read from the Graco product page (25V432 on graco.com).