Siemens / Sunlight LP4425 Equivalent Replacement UV Lamp

Part Number:
Lamp Category:
High Output
Ready to Ship - In Stock Ready to Ship - In Stock


Watts: 30 Watts
Length: 357 mm
Base: B16
Base Description: 4 Pin Single Ended (B16)
Qtz. OD: 15 mm
Wiring: Preheat
Output: HO
Category: HO
Type: L
Wires: 2
Description: Sunlight 4425 Equivalent Replacement
Note: Color of Lamp Base has no bearing on operation or use, and should not be considered when determining lamp needed.

This lamp is an equivalent replacement lamp for the following:

Brand Model
American Air & Water Inc. AAW300HO/14
American Ultraviolet GML405, GML600
Delta Ultraviolet Corporation 35-08150, 35-09320, 70-18405, EA-3H-5, EA-4H-5, E/ES/EP Model 5, Elektra Pro EP-5, EZ-18-240
Glasco Ultraviolet Systems L-524414, GUS-10, GUV-C10, GUV-C10-Plus, GUV-C10-SC-+
Siemens / Sunlight LP4425, SB-10, SBH-10, SBW-10
Sun Spot 306180027, SB-10, SS20604P, UPH357HO

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

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:
Base Category (Pins per End):
4 Pin Base
Cross Reference Brands A:
American Ultraviolet GML405
Cross Reference Brands B to F:
Delta Ultraviolet 70-18405, Delta Ultraviolet E/ES/EP Model 5, Delta Ultraviolet EA-3H-5, Delta Ultraviolet EA-4H-5
Cross Reference Brands G to O:
Glasco GS4425L
Cross Reference Brands P to S:
Siemens LP4425, Siemens SB-10, Siemens SBH-10, Sun Spot 306180027, Sunlight SBH-10, Sun Spot SS20604P, Sun Spot UPH357HO, Sunlight LP4425, Sunlight SB-10
Lamp Length:
12 - 24 in. (306 - 610mm)
Ozone Producing:
Part Type Equipment Brand Model / Part #
Lamp American Air & Water Inc. AAW300HO/14
Lamp American Ultraviolet, Inc. GML405
Lamp Delta Ultraviolet Corporation 35-08150
Lamp Delta Ultraviolet Corporation 70-18405
Lamp Delta Ultraviolet Corporation EA-3H-5
Lamp Delta Ultraviolet Corporation EA-4H-5
Lamp Delta Ultraviolet Corporation E/ES/EP Model 5
Lamp Delta Ultraviolet Corporation Elektra Pro EP-5
Lamp Glasco Ultraviolet GUS-10
Lamp Glasco Ultraviolet GUV-C10
Lamp Glasco Ultraviolet GUV-C10-Plus
Lamp Glasco Ultraviolet GUV-C10-SC
Lamp Glasco Ultraviolet L-524414
Lamp Siemens LP4425
Lamp Siemens SB-10
Lamp Siemens SBH-10
Lamp Siemens SBW-10
Lamp Ster-L-Ray 05-0557
Lamp Sunlight SB-10
Lamp Sunlight SBH-10
Lamp Sunlight SBW-10
Lamp Sun Spot 306180027
Lamp Sun Spot SB-10
Lamp Sun Spot SS20604P
Lamp Sun Spot UPH357HO