UltraPure Bulb [UPS800/UPP15/UPP25 16W] (3901823) gfci The Waterway 642-3680 straight adapter

The Waterway 642-3680 straight adapter is designed for compatible plumbing applications that transition from 2-1/2 inches to 2 inches using a slip-style connection

Helps restore pump flow and hydraulic performance

Useful in lighter-duty control applications

Improves both hydrotherapy feel and visible seat quality

Supports dependable skimmer flow control

UltraPure Bulb [UPS800/UPP15/UPP25 16W] (3901823) gfci The Waterway 642-3680 straight adapterUltraPure Bulb [UPS800 UPP15 UPP25 16W] (3901823) is a 16W replacement bulb for compatible UltraPure ozone and water quality systems. UV bulbs are important service components because performance can decline over time, even when the lamp still appears to operate. This replacement bulb helps support continued ozone system performance in compatible UPS800, UPP15, and UPP25 applications. For best results, verify system model, bulb wattage, connector