Features: Aluminum alloy integral pump core, high strength, good pump core heat dissipation, long life; With air outlet buffer silencer, low noise;· Large airflow, high air pressure; No oil Lubrication, gas-free without oil, beautiful appearance, suitable for breeding, seafood market and hotel restaurants; Features: Aluminum alloy integral pump core, high strength, good pump core heat dissipation, long life; With air outlet buffer silencer, low noise;· Large airflow, high air pressure; No oil Lubrication, gas-free without oil, beautiful appearance, suitable for breeding, seafood market and hotel restaurants;