The Barker Manufacturing 26 gallon RV fresh water tank is made of high impact plastic material. All inlets are of hose barbed design no threads to strip. Non-toxic, food-grade polyethylene construction. Tasteless, odorless, rust proof and corrosion proof. Dimensions: 22" long x 15" tall x 20" wide. Includes: (1) 1-1/4" fill hose, (1) 1/2" vent hose, (3) 3/8" to 1/2" threaded barb adapter, (1) 1/2" barb to 1/2" threaded adapter, (1) 1/2" threaded cap, (1) 1-1/4" pipe to 1-1/2" MPT adapter, and hose clamps.