Part Number:
Lamp Category:
Hot Cathode
Ready to Ship - In Stock Ready to Ship - In Stock


Watts: 4 Watts
Length: 136 mm
Base: B9
Base Description: 2 Pin Double Ended G5 Metal Base (B9)
Qtz. OD: 16 mm
Wiring: Instant Start
Output: Standard
Category: Hot Cathode
Type: L
Wires: 0
Description: G4T5
Note: Color of Lamp Base has no bearing on operation or use, and should not be considered when determining lamp needed.

This lamp is a replacement lamp for the following Atlantic Ultraviolet Corporation® Ultraviolet Products:

Brand Model
Biolux® UV Air And Surface Irradiating Units 4 Watt Strip Fixture, NO4 Models

This lamp is an equivalent replacement lamp for the following:

Brand Model
American Ultraviolet GML180
Aquanetics Systems ALA-4, Aquanetics 4, Q4IL, Q4SPT
AquaStar Portable Water Purifier
Cole-Parmer Instrument Co. 34-0003-01, UX-09815-12
Custom Sea Life PUVLB504
EcoQuest Manufacturing 70059, Fresh Air UV4, G4T5UV, US70059, UV4
EdenPure G-7, WGEP-1000, ZW4S15W-Z135
EiKO Global G4T5
General Electric 15872, G4T5
Hawaiian Marine AN-4S, AN-4SA
Light Sources / LightTech Lamp Technology LTC4T5
Orbitec 007859
Osram Sylvania 23397, G4T5, G4T5/OF, HNS 4W G5
Philips Lighting 363713, TUV 4T5
Purely UV Products PUVLB504
Sankyo Denki G4T5
Spectroline BLE-2537S, EF-140C
Spectronics BLE-2537/S, PE-140T, PE-240T, Q-22NF
Ushio 3000013, G4T5

Disclaimer: This is an Atlantic Ultraviolet Corporation® STER-L-RAY® brand lamp. It can be used as an equivalent replacement lamp for other brands.

ArmorLite™ Safety Shield is available for use with most STER-L-RAY ® Germicidal Ultraviolet Lamps. Contact our Ultraviolet Application Specialists to discuss the advantages of using germicidal lamps protected by the ArmorLite™ Safety Shield in your installation.

Our STER-L-RAY ® brand of Germicidal Ultraviolet Lamps can be used as equivalent replacement lamps for over 250 equipment brands and 5,000 models of ultraviolet equipment besides Atlantic Ultraviolet’s Air and Water Purifiers.

Can’t find lamp you are looking for? Each of our UV Application Specialists has access to an extensive cross referencing interface. Call us directly at 1-631-273-0500, Monday through Friday, 7am–6pm EST, email us at sales@atlanticuv.com.

Shipping Info

    Items marked "Ready to Ship - In Stock" are ready to ship and will do so promptly. Items marked "Varied Ship Date - Contact Us" are in production, and the ship date varies. Please place order & contact us for ship date.


Part Category:
Atlantic UV Product Line:
Base Category (Pins per End):
2 Pin Base
Cross Reference Brands A:
American Ultraviolet GML180, Aquanetics 4SPT, Aquanetics ALA-4, Aquanetics Aquanetics 4, Aquanetics Q4IL, AquaStar Portable Water Purifier
Cross Reference Brands B to F:
EcoQuest Fresh Air UV4, Eden Pure G-7, Eden Pure WGEP-1000, Eden Pure ZW4S15W-Z35, Eiko G4T5
Cross Reference Brands G to O:
General Electric 15872, General Electric G4T5, Hawaiian Marine AN-4S, Hawaiian Marine AN-4SA, Light Sources LTC4T5, Light Tech LTC4T5, Orbitec 007859, Osram Sylvania 23397, Osram Sylvania G4T5, Osram Sylvania G4T5/OF, Osram Sylvania HNS 4W G5
Cross Reference Brands P to S:
Philips Lighting 363713, Philips Lighting TUV4T5, Purely UV Products PUVLB504, Sankyo Denki G4T5, Spectronics BLE-2537/S
Cross Reference Brands T to Z:
Ushio 3000013, Ushio G4T5
Lamp Length:
0 - 12 in. (0 - 305mm)
Ozone Producing:
Replacement Part Type:
Part Type Equipment Brand Model / Part #
Lamp American Ultraviolet, Inc. GML180
Lamp Aquanetics Systems ALA-4
Lamp Aquanetics Systems Aquanetics 4
Lamp Aquanetics Systems Q4IL
Lamp Aquanetics Systems Q4SPT
Lamp AquaStar Portable Water Purifier
Lamp Atlantic Ultraviolet Corporation 4 Watt Strip Fixture
Lamp Atlantic Ultraviolet Corporation NO4 Models
Lamp Biolux 4 Watt Strip Fixture
Lamp Biolux NO4 Models
Lamp Cole-Parmer Instrument Co. 34-0003-01
Lamp Cole-Parmer Instrument Co. UX-09815-12
Lamp Custom SeaLife PUVLB504
Lamp EcoQuest Manufacturing 70059
Lamp EcoQuest Manufacturing Fresh Air UV4
Lamp EcoQuest Manufacturing G4T5UV
Lamp EcoQuest Manufacturing US70059
Lamp EcoQuest Manufacturing UV4
Lamp EdenPure G-7
Lamp EdenPure WGEP-1000
Lamp EdenPure ZW4S15W-Z135
Lamp EiKO Global, LLC G4T5
Lamp General Electric 15872
Lamp General Electric G4T5
Lamp Hawaiian Marine AN-4S
Lamp Hawaiian Marine AN-4SA
Lamp Light Sources, Inc. LTC4T5
Lamp LightTech Lamp Technology, Ltd. LTC4T5
Lamp Orbitec 007859
Lamp Osram Sylvania Ltd. 23397
Lamp Osram Sylvania Ltd. G4T5
Lamp Osram Sylvania Ltd. G4T5/OF
Lamp Osram Sylvania Ltd. HNS 4W G5
Lamp Philips Lighting 363713
Lamp Philips Lighting TUV 4T5
Lamp Purely UV Products PUVLB504
Lamp Sankyo Denki G4T5
Lamp Spectroline BLE-2537S
Lamp Spectroline EF-140C
Lamp Spectronics Corporation BLE-2537/S
Lamp Spectronics Corporation PE-140T
Lamp Spectronics Corporation PE-240T
Lamp Spectronics Corporation Q-22NF
Lamp Ster-L-Ray 05-1110-R
Lamp Ster-L-Ray G4T5
Lamp Ushio 3000013
Lamp Ushio G4T5