Flowtron NightGuard - 30W Portable - FC4900 I-800-NA-3-140 which is the closest replacement

which is the closest replacement with the same performance and compatibility:

The Aetek 07-00990 Replacement Lamp is a high quality replacement lamp that exceeds OEM standards of bulb performance

Philips TUV G30T8

Guaranteed 100% Ultraviolet (UV) Reflector Compatible for Eltosch UV Lamp Bulb

Flowtron NightGuard - 30W Portable - FC4900 I-800-NA-3-140 which is the closest replacementThe Flowtron Nightguard silently and effectively captures nuisance and potentially harmful flies and other flying pests. The NightGuard incorporates the latest in adhesive board design which guarantees a no escape, quick, clean kill. 2 x 15W UV lights first attract the flies along with Flowtron Fly Lure (pheromone). Once inside they get stuck to the adhesive board in the rear unit, no noise no fuss. The devices appearance is designed to blend into