Proseal with Leak Detector for 134a Automotive Systems Description Enviro-Safe Proseal with Leak Detector finds and repairs minor leaks in mobile a/c systems. It seals leaks in evaporators, condensers, fittings and metal lines. Our highly concentrated, fluorescent yellow dye and allows the dye to be highly visible, and in most cases, able to be seen with the naked eye. However, the use of a blacklight as well as UV glasses does make it much more visible. Before replacing expensive parts and labor, try Enviro-Safe Proseal with Leak Detector! Works on most mobile applications. Applications: automotive, campers, semi tractor trailers, combines, thrashers, agriculture applications. For best results, use Enviro-Safe Prodry BEFORE using the Enviro-Safe Proseal to remove any moisture in your system. Moisture is corrosive and no one wants that in their system! DO NOT USE IN AMMONIA SYSTEMS! Do NOT use this item in a R410a system. Payment Shipping Returns Payment is required at the time of purchase through payments. We ship Monday-Friday 8am-4pm. We try our best to get every order shipped the same day. We ship with Fedex Ground, UPS Ground, USPS First Class and USPS Priority. If you need faster shipping, we are able to ship certain items via air. Of course, that cost is much higher and you would need to call for a shipping quote. We do combine shipping whenever possible. A tracking number will be provided at the time of shipment. Dates we are closed that would affect handling times: New Years Eve, New Years Day, Good Friday, Memorial Day, July 4th, Labor Day, Thanksgiving, Black Friday, Christmas Eve and Christmas Day. These days will extend our handling time by 1 or 2 days. Please keep in mind that we have ZERO control over USPS/Fedex/UPS and their timeliness in delivering your package! Please don't leave negative feedback for something that is beyond our control. Buyer has 30 days to contact Enviro-Safe regarding any issues or to request a return. The item will be replaced or the buyers money refunded AFTER Enviro-Safe receives the item back in the same condition that is was shipped. If the buyer requests the return and there is nothing wrong with the item, the buyer is responsible for the return shipping and will not be refunded for the original shipping. If the item is defective, Enviro-Safe will supply a label for return and will refund or replace in full. Note: hazmat shipments can not be returned. Powerful listing templates by 3Dsellers