Photo 1 of M METERXITY Air Compressor Oil Sight Glass, 3/4" NPT Toughened Glass No Leak Hex Oil Liquid Level Gauge Fittings W O-Ring for Air Compressor/Pump/Tank Sight Plug Window

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Photo 1 of M METERXITY Air Compressor Oil Sight Glass, 3/4" NPT Toughened Glass No Leak Hex Oil Liquid Level Gauge Fittings W O-Ring for Air Compressor/Pump/Tank Sight Plug WindowPhoto 2 of M METERXITY Air Compressor Oil Sight Glass, 3/4" NPT Toughened Glass No Leak Hex Oil Liquid Level Gauge Fittings W O-Ring for Air Compressor/Pump/Tank Sight Plug Window