Permits refilling of mist generator oil reservoirs during operation. Includes Reservoir Refill Hose Assembly P/N 380696 (7 ft hose with 40 micron cleanable filter and loader coupler) that assures only clean, filtered oil enters reservoir. Pump has 3 gallon container and carry handle.
Required on 1 pint, 1 gallon and modular mist generators without auto-refill capability.