The Forest River H4960 33-Gallon Holding Tank is designed for RVs, Fifth Wheels, Travel Trailers, and Campers. Increase your waste tank capacity or replace your leaky waste tank with a durable, impact-resistant ICON Tank. Features one-piece roto-molded construction.• Roto-molded, one-piece construction with spin-welded components• Certified to IAPMO standards• Right end drain• 3" hub fitting• Capacity: 33 Gallons• 54" x 32" x 7-3/8" Certified to IAPMO standards Right-end drain 54"" x 32"" x 7-3/8"" | Icon Technologies Forest River H4960 Holding Tank, 33 Gal