GRACO King 82:1 Sprayer, Integrated Filter, Heavy Duty Cart, Air Controls, Siphon Kit, XTR-7+, 50 ft (15 m) Hose, 6 ft (1.8 m) Whip - (SKU: K82FH1) The GRACO 255452 KIT is

The GRACO 255452 KIT is a pump outlet check valve kit made from carbon steel

3/8" square x 3

Used in GRACO air atomizer kits for industrial spray applications

Ultra 395 PC Pro

but the 'FK' designation typically refers to FKM (Fluoroelastomer) seals

GRACO King 82:1 Sprayer, Integrated Filter, Heavy Duty Cart, Air Controls, Siphon Kit, XTR-7+, 50 ft (15 m) Hose, 6 ft (1.8 m) Whip - (SKU: K82FH1) The GRACO 255452 KIT isThe GRACO K82FH1 is a high performance pneumatic airless sprayer designed for heavy duty protective coatings and corrosion control applications. It features a robust construction suitable for harsh environments and is intended for use in industrial settings where high pressure, high volume spraying is required. The system includes a pump, air controls, relief valve, hose, gun, and fittings, all mounted on a heavy duty cart for mobility and stability.