Product Description: Fresh Water Tank; 18 Gallon Capacity; 8 Inch x 16 Inch x 36 Inch; Black ABS Plastic; Baffled Every 18 Inches For Surge Control; With Three 3/8 Inch Threaded Fittings Inserts; Three on Each EndFor over 30 years Valterra has been a leading supplier of branded products for the recreational vehicle, pool and spa, and plumbing industries worldwide.; Weight: 11.0000; Capacity: 18 Gallon; Shape: Rectangular; Length (IN): 36 Inch; Width (IN): 16 Inch; Height (IN): 8 Inch; Color: Black; Material: ABS Plastic; With Cap: No; With Tubing: No; With Adapter: No; With Mounting Hardware: NoFeatures Universal Design Light-Weight, Completely Algae-Free Black ABS Plastic Tasteless, Odorless, And Non-Toxic, Will Never Rust Or Corrode One-Piece Extruded Construction Eliminates The Possibility Of Leakage, Baffled Every 18 Inches For Surge Control Supplied With 3/8 Inch Threaded Fitting Inserts, Three On Each End Easily Installed Limited 1 Year Warranty