Weiss Instruments LF441-300-4L 4" Liquid Filled Pressure Gauge, 0-300 psi, 1/4" NPT Red EcoPure R-290 and R-600a refrigerants

EcoPure R-290 and R-600a refrigerants are approved by the EPA’s SNAP program for the US market

3/8” hex

Freud 75-102 1/4" Up Spiral Bit

or swaging

Weiss Instruments LF441-300-4L 4" Liquid Filled Pressure Gauge, 0-300 psi, 1/4" NPT Red EcoPure R-290 and R-600a refrigerantsWeiss Instruments LF441 300 4L 4" Liquid Filled Pressure Gauge, 0 300 psi, 1 4" NPT Features Stainless Steel Case Glycerine Fill 1% Accuracy Specifications CASE: 4 Type 304 stainless steel thin line case FILL FLUID: Glycerine RING: Crimped, polished stainless steel WINDOW: Clear Acrylic TUBE: Phosphor bronze SOCKET: Brass with threaded restrictor DIAL: White aluminum with black and red markings (psi & kPa scale standard) MOVEMENT: Brass rotary type