The 21 gallon water tank measures 39x 16x 8not including fittings and the This 30 gallon water tank measures 34x 18x 12not including fittings All tanks come with 1 1.25water fill inlet and 3 3/8NPT connections. Non-Pressurized Tank – The tank must be vented One piece seamless construction – No Seams to burst These rotational molded fresh water tanks are made from a high quality durable polyethylene material. Stain corrosion and rust resistant features make them ideal for replacement or OEM installation on RVs horse trailers or marine products. PLEASE MEASURE YOUR INSTALLATION AREA PRIOR TO PURCHASING. All our tanks are BPA free and have a seamless construction to prevent blow-outs and leakage. Our tanks are offered in a combination package of fresh water and gray water as you need both for your concessions or trailer to function properly. Our tanks offer multiple ports for easy access to your specific hook-ups.

A.A Fresh and Gray Water Holding Tank | Combo Pack | RV Water Holding Tanks | Camper Water Holding Tanks – BPA Free 21 Gallon 30 Gallon
$74.99