Graco 25V433 Fusion ProConnect Cartidge for LineLazer 1:1 MMA Stripers - 1 Pack, part number 25V433. Replacement cartridge for the Graco Fusion ProConnect (PC) spray gun, supplied as a 1-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 (25V433 on graco.com).