PPG-SEMCO® retainers are 100 psi pressure rated and are designed for use with PPG-SEMCO® guns, cartridges, and dispensing systems. This retainer is designed to fully support a 8oz PPG-SEMCO® cartridge… Have a Question? Ask a Specialist Order on WhatsApp Low PricesPrice match guarantee Guaranteed Fitment.Always the correct part In-House Experts.We know our products Easy Returns.Quick & Hassle FreeCategories: NE, New SKU: 220926