Ushio 1003585 SPH 115V-575WLL - Halogen - 575W - 115V - G9.5 Base - 10ct ultraviolet-american-ultraviolet-pek-24-120-esi4523619 This product is a Soraa

This product is a Soraa 01621 SP20-11-60D-930-03 SP20 VIVID PAR20/120V 10

This bulb has an A21 shape and an E26 medium base

Operation time after which either aperture lumens decrease to 50% of initial value or the lamp voltage reaches 115 V and the lamp cannot be ignited

It has a part number of 28-5021

electropolished and passivated

Ushio 1003585 SPH 115V-575WLL - Halogen - 575W - 115V - G9.5 Base - 10ct ultraviolet-american-ultraviolet-pek-24-120-esi4523619 This product is a SoraaA new patent pending filament design for the SPH Superior Performance Halogen lamp allows for superior field uniformity and increased lumen performance for multiple brands of PAR fixtures and ellipsoidal spotlights. The newly engineered filament geometry works with modern reflector technology to produce up to a 20% increase of fixture lumens over the GLC lamp. The universal G9. 5 base will fit any socket that accepts the GLC, FLK, or FEL lamps.