HT240RE - 26.5" x 44.5" x 11.5" - 29 US Gallon Capacity. Recessed Drain - RV waste holding tank, available with a 3" spigot fitting and 4 level sensors installed. Constructed of tough ABS plastic for long service life. All seams are solvent welded and have a 1 1/4" mounting flange. This tank typically ships within 2 business days. Handles both black & gray water or a combination of both in the tank Certified to IAPMO/CSA standards Upgrade, increase capacity, or replace a leaky or damaged tank with an industry leading quality ICON tank | Icon Technologies Holding Tank, HT240-RE, 44.5x26.5x11.5, 29 Gal. | ABS Plastic