BG Diesel VIA® provides a quick and simple means of delivering the exact amount of BG Diesel Care, PN 229, needed to clean deposit clogged injectors. Connected directly to the fuel supply and return lines, it removes combustion deposits that rob a vehicle of performance. Features of the BG Diesel VIA® include: two-quart/liter canister, can be pressurized by any air source and transported to the vehicle, and it can be pressurizes up to 30 psi.