The Apollo ExpansionPEX 1 in. PEX-a Expander Head is engineered for the proper expansion of Apollo ExpansionPEX PEX-a tubing for use with Apollo ExpansionPEX fittings. Made from premium-grade steel, the chrome plated coating provides enhanced durability, strength and weather resistance. The Apollo ExpansionPEX system is a comprehensive piping system comprised of lead free brass fittings, poly alloy fittings, manifolds, valves, fasteners, tools and tubing designed for implementation in water delivery systems, simple or complex.. Amperage (A): 0 A. Battery Power Type: None, Manual Operation. Battery Size: None, Manual Operation. Compatible Pipe Material: PEX. Features: No Additional Features. Included: No Additional Items Included. Power Type: Manual. Product Weight (lb.): .64 lb. Returnable: 90-Day. Tools Product Type: Hand Tool. Certifications and Listings: ANSI Compliant. Compatible Pipe Size (in.): 1 in.. Maximum Pipe Diameter (in.): 1 in. Product Depth (in.): 1.99 in. Product Height (in.): 2.92 in. Product Width (in.): 1.99 in. Compatible Pipe Material: PEX. Power Type: Manual. Compatible Pipe Size (in.): 1 in.