Nu-Calgon 4300-89 Rx11-Flush injection valve. Reusable, non-piercing injection tool that screws onto the Rx11-Flush can and attaches to the flush hose for flushing refrigeration/AC line sets after burnouts and during R-410A conversions; also fits Pneu-Flush and pressurized Rx-Acid Scavenger.

Nu-Calgon 4300-89 Rx11-Flush injection valve. Reusable, non-piercing injection tool that screws onto the Rx11-Flush can and attaches to the flush hose for flushing refrigeration/AC line sets after burnouts and during R-410A conversions; also fits Pneu-Flush and pressurized Rx-Acid Scavenger.