HomeParts & AccessoriesTrade Pro Moisture Indicating sight glass 5 Trade Pro Moisture Indicating sight glass 5 Available in 3/8″, 1/2″, 5/8″ $105.00 Trade Pro Moisture Indicating sight glass 5 quantity Buy now SKU: TP-MI Category: Parts & Accessories Product ID: 1920 Description Description Available in 3/8″, 1/2″, 5/8″ Related products $95.00 Nu-Calgon Evap Fresh No Rinse Evaporator Coil Cleaner & Disinfectant 1 lb 2 oz / 511g $75.00 Trade Pro Vacuum Pump Oil 1 Gallon $295.00 Nu-Calgon RX11-flush AC & Refrigeration System Flush 15.7 oz / 445g