Model LP3 is offered in five mounting configurations. The LP3S features a three-hole surface mount — ideal for control panels and other flat or flush surfaces. The LP3E features a standard A-19 medium Edison screw-in base. The LP3M features a 1/2" NPT male pipe mount and 18" wire leads. LP3P features an integrated 1/2-inch NPT pipe mount. The “T-mount” LP3T has a popular 2-hole design for wall or flush mounting.Models LP3M, LP3S and LP3T include a surface gasket to complete the Type 4X installation. An optional dome guard is available for use with the LP3M, LP3S and LP3T when installed flush with a panel. All LP3 units feature a threaded screwon lens to allow for tool free wiring and strobe tube replacement.Like all StreamLine® products, the LP3 is designed with OEM applications in mind.