3 Inch Stainless Steel Air Diaphragm Pump

Stainless Steel Body: Hydrocarbon resistant, good versatility, great with common neutral pH liquids.

PTFE(Teflon): Excellent corrosion resistance, almost resistant to
all chemicals. Except melting of lithium, potassium, sodium,
chlorine trifluoride, high-temperature oxygen trifluoride, sulfur speed
liquid fluorine.