Builders Edge 6.6875-in x 7.375-in Tan Vinyl Plumbing/Hose Mounting Block

Comes complete with an 8in aluminum tube diameter is 4in

Net free area 12 sq in

Classic design and function for venting air through side walls

Built-in concealed exhaust flap stays closed when not in use

Limited lifetime warranty

Made in the USA

Locking positions: 0.75, 1.00, 1.25

Standard Colors 001, 008, 030, 049, 059, 069, 097, 117, 118, 123, 128, 137, 144, 216, 221, 222, 235, 254, 263, 286, 288, 307, 316, 347, 351, 383, 407, 419, 456, 464, 465, 905, 907,909, 910, 913, 918, 935, 941, 942, 951, 952, 953, All other colors a 20-piece minimum must be ordered.