ProTech FSWMK4 FasNSeal Single Wall Vent Kit for Wall Mounted Water Heaters and Broilers

"Use to vent wall mounted boilers or tankless water heaters. Terminates through-the-wall only. Available in 3"", 4"" and 5"" vent diameters. Adjust vertically from 16 1 2"" to 21"" and horizontally from 8"" to 12 1 2"". 3"" 4"" compatible with most gas-burning appliances. 5"" compatible with tankless. Not a UL Listed component.,AL29-4C superferritic stainless steel Precision TIG-welded butt seam Factory built-in, replaceable gaskets Factory built-in locking band 4"" Vent Diameter Includes: Adjustable 90 Degree Elbow, Termination Tee, Universal Appliance Adapter, Wall Thimble,ADA Compliant: No Collection: FasNSeal Direction: Horizontal, Vertical Finish: Stainless Steel Fuel Type: Gas Material: Stainless Steel Pipe Class: AL29-4C Pipe Inside Diameter: 4 Pipe Shape: Round Style: Contemporary Modern UL Listed: No Vent Construction: Single Wall Weight: 6.4"