Fourth hose to enable connection to hi-/lo-sides, refrigerant tank, recovery unit, vacuum pump for diagnostics, evacuation, and charging without switching hoses
3/8″ Vacuum port for use with larger hose to cut evacuation time by up to 33%
Front access for easy field recalibration
Double O-ring piston for reliability and long service life
Exclusive 100 mesh filter in-line on all flare fittings
Contoured easy-grip color coded handles
Sight glass to easily view refrigerant movement and condition during charging and recovery