Exterior is dark black anodized aluminum with a black Aluminum thread protector and a rubber fill nipple cover. Regulators are supplied with a standard male foster fitting for filling. Comes with standard 8mm quick disconnect male foster fitting adapter for filling. Made of good quality materials, sturdy and durable, an economical high performance tank regulator. With a high air flow rate to make paintball shoot out with faster speed. Using for high pressure air cylinder, SCBA cylinder, SCUBA diving steel cylinder or PCP tanks,easy to assemble and install for Air / CO2 filling. Rated pressure for IN:4500psi - Out:800Psi Can fit most of your tanks with Thread:M18*1.5, the outlet threads size is G1/2-14.

Outlet Connection Type: G Connector. Exterior Finish: Brass. Brand: HPDAVV. Material: Aluminum, Alloy Steel, Brass, Plastic. Date First Available: January 18, 2019. Best Sellers Rank: #302,116 in Sports & Outdoors. Customer Reviews: 4.5 out of 5 stars 55 ratings 4.5 out of 5 stars. : B07MXG9F5S. Size: ?Thread:M18*1.5. Outer Material: ?Aluminum. Part Number: ?M18*1.5-4500/800. Manufacturer: ?HPDAVV. Suggested Users: ?Mens. Material: ?Aluminum, Alloy Steel, Brass, Plastic. Color: ?IN:4500psi/Out:800Psi. Model Name: ?M18*1.5-4500/800. Brand Name: ?HPDAVV. Package Weight: ?0.14 Kilograms. Item Package Dimensions L x W x H: ?3.78 x 2.28 x 2.2 inches.