Pneumatic Membrane Pump 1. Small and light, 14kg. 2. No rotate parts, ... . No leakage. 4. Self-priming. BQG-100/0.3 Pneumatic Membrane Pump is easy to operate, reliable, portable with low noise ... .(mm)3Weight(kg)≤14Noise(dB(A))≤85Suitable MediumWater, Oil Pneumatic Membrane Pump