Diversitech DPSG-3S. Sight glass and moisture indicator provides a quick visual diagnosis of refrigerant and moisture levels within a system. The sight glass indicates if the system has the proper refrigerant level, a restricted dryer or excessive pressure-drop. The moisture indicator recognizes moisture within the system. Provides early warning that a potential failure exits resulting in corrosion, chemical damage, restricted flow, or even compressor failure. 

Features

• Fully Hermetic Design
• Leak Proof
• Copper Fittings
• Etch-resistant glass
• Single indicator for all common refrigerants