The security seal provides tamper evidence indicating that the bypass has been opened

Impervious to oil

Motor oils: SAE 5 - 50

Enhanced ease of use and reduced fatigue especially when pumping heavy fluids

some Mazda

American lube Equipment Multiple-Use Stainless Steel Dispense Coupler for DEF DEF-34A Tankless Equipment package The security seal provides tamperMultiple Use Stainless Steel Dispense Coupler4 pin, multiple use stainless steel dispense coupler 3 4" barbed outlet (for 3 4" ID hose). Compatible with DEF 40A container valve (stainless) and compatible with DEF 40PL container valve (composite). Seal material is Viton.