Rislone Hy-per Diesel Complete Fuel System Treatment 34740. One 500 mL bottle for diesel fuel systems. Follow the product label for application and dosage. Do not add to the DEF tank. Supplier-order item for pickup at 613 Auto Insiders, 1143 Midland Avenue, Unit 2, Kingston. Please wait for pickup confirmation before travelling. Full refund if we cannot supply your order. Price is in CAD before HST.