PROLIFT cylindrical pontoons uses the proven "OCTOGAN" design and is a great bag for shallow water salvage. Pontoons are more efficient when few bags are required. Cylindrical pontoons are manufactured from our specially formulated MS4000 fabric. All are equipped with over pressure valves, stainless steel ball valves and stainless steel quick disconnects. Our new inline harness is incorporated in to the design on every cylindrical pontoon from 2000 - 20000 lb. lift capacities. Heavy 2" lifting straps are used on 2000-6000 lb. models while heavy 3" lifting straps are used on 12000 and 20000 models. All cylindrical pontoons are stringently tested and are equipped and ready for deployment upon arrival. Pipe-laying, underwater construction, draft reduction, cable installations are just some of the uses for the cylindrical pontoon. Maximum Pressure 2.5 psi. Models 2000 - 6000 Have 4 Over Pressure Valves Each Model 12000 has 8 Over Pressure Valves Each      Online shipping charges are based for Fedex Ground shipping for U.S. and Canadian customers only.  Customers wishing to purchase online from all other countries must email us prior to purchasing to receive a quote for shipping charges.     ORDER ONLINE OR OVER THE PHONE!   MODEL DESCRIPTION DIMENSIONS LIFT WEIGHT SUGG. RETAIL ONLINE PRICE PP-2000 2000 lb. Cylindrical pontoon 45" Dia. x 54" / 114cm x 137cm 2200 lbs./ 998 kgs. 45 lbs. / 21 kgs. $663.00 PP-4000 4000 lb Cylindrical Pontoon 45" Dia. x 80" / 114cm x 203cm 4400 lbs. / 1995 kgs. 70 lbs. / 32kgs. $1030.00 PP-6000 6000 lb Cylindrical Pontoon 55" Dia x 84" / 140cm x 213cm. 6400 lbs. / 2903 kgs. 95 lbs. / 44 kgs. $1,680.00 PP-12000 12000 lb. Cylindrical Pontoon 62" Dia. x 118" / 157cm x 299cm 13000 lbs. / 5900 kgs. 145 lbs. / 57 kgs. $3,240.00 WHY PAY MORE FOR LESS! ALL MAJOR CREDIT CARDS ACCEPTED, WE TAKE CHECKS BY FAX! 877-369-3553 TOLL FREE