Sealey delivery nozzles adblue sealey adb02 a digital flow meter from sealey manufactured with robust rubber housing and integral digital electronic metering easy to read large four digit 28mm high lcd display calibrated in litres features flow rate indication 1 x 1in bsp malefemale fittings suitable for use with adblue powered by 2x aaa batteries supplied ip65 rated protection sealey adb02 digital flow meter adblue