Air Lift Manual Paddle Valve Switch 21703 91-8308 032201 1704114 for Bostrom and National Seats Black Item Description About this item Replace for 91-8308 3013-3 3013-4 21703 032201 401149 1704114 31973000 Average Lift Time 10-15 Sec. (depends upon pressure in the tank and bag diameter) ?Customer Service? If you have any inquiries about model or installation or other aspects, please feel free to contact us before ordering. ? See more product details If you are seeking assistance ,please provide as much of the following information as possible : Model, Spec and/or Type Number, Code and/or Serial Number, or Year. Payment We accept payment only through the Payment system. Shipping Most products are usually shipped within 1-2 business days from the date of being ordered. We do ship worldwide via the International Shipping Program. For an international shipment quote, please add add item to cart and attempt checkout. will supply the international shipping price. Return We do not accept returns except in certain, unlikely circumstances.