BF35 Black Light Bulb FUL15W BL 15W, 4-Pin Base for Flowtron BK-15D, Black Flag BB-15WHT, Stinger UV15, FP15, U-Shaped Twin Tube - 2 Pack W10250160 Photograph wire connections to the

Photograph wire connections to the original element for reference

This allows it to slide onto the plastic pump and sump ports much easier without tearing the rubber

four fiber washers

Frigidaire / Electrolux: 5304500204

iRobot Roomba s9+ / s9 Plus (9550)

BF35 Black Light Bulb FUL15W BL 15W, 4-Pin Base for Flowtron BK-15D, Black Flag BB-15WHT, Stinger UV15, FP15, U-Shaped Twin Tube - 2 Pack W10250160 Photograph wire connections to the15W FUL15W BL U Shape 4 Pin UV Replacement Bulb Key Features Optimal UV Attraction: Engineered to emit a specialized ultraviolet (UV A) black light wavelength that acts as a highly effective, irresistible lure for mosquitoes, biting flies, and other flying insects. U Shape Twin Tube Design: The 15 watt twin tube configuration maximizes the luminous surface area, broadening the light dispersion radius to significantly increase the zapper's effective