UVC 5 WATT UV REPLACEMENT LAMP (G23/PLS 5)
-G23 Base 
-Pin space = 7/8" (2 cm) Approx.
-Total Bulb Length (including plastic insert); 4 inches (10 cm)
-Bulb (glass) length (not including plastic end) for 5 watt= 2 -5/8" (6.5 cm)
-Bulb (glass) width; 1 inch (2.5 cm)
-The 5 watt G23 base that fits Terminator, Tetra UV5, GreenFree™ UV Mini Pond Clarifier, Cyprio Vorton 500, Cyprio Bioforce 250 & 500, JBJ Submariner, Aqua Medic Helix Max 5, and many more

 * UVC 7 WATT UV REPLACEMENT LAMP (G23/PLS 7)-
This bulb also fits the Garden Treasures pressurized filter #60028
-G23 Base 
-Pin space = 7/8" (2 cm) Approx.
-Total Bulb Length (including plastic insert); 5-1/4 inches (13.4 cm)
-Bulb (glass) length (not including plastic end) for 7 watt= 3-3/4" (9.5 cm)
-Bulb (glass) width; 1 inch (2.5 cm)
-The 7 watt G23 base that fits ReSun, Garden Treasures (#60028), and many more.
7 watt uvc bulb will work in all 5 watt fixtures that will allow for additional length, thus upgrading your 5 watt UV!


 * UVC- 9 WATT UV REPLACEMENT LAMP (G23/PLS 9)
-G23 Base
-Pin space = 7/8" (2 cm) Approx.
-Total Bulb Length (including plastic insert); 6-1/2 inches (16.5 cm)
-Bulb (glass) length (not including plastic end) for 9 watt= 5" (12.7 cm)
-Bulb (glass) width; 1 inch (2.5 cm)
-The 9 watt G23 base that fits Terminator, Garden Treasures, Bullfrog, Jebo, Cyprio Vorton 1000 & 4000, Fish Mate 1000 & 2000, Becket, Coralife Turbo Twist, Cal Pump UV Clarifier UV9, Nursery Pro UltraClean 1000 & 2000, Fishmate Pressurized, LifeGuard All in One Filter, Aqua Medic Helix Max 9, Custom SeaLife 9X Double Helix Sterlizer, Tetra GreenFree™ UV1 Mini Pond Clarifier, JBJ Submariner, OASE Bitron 9W, Germ-Guardian EV9102 AND many more 
* UVC- 9 WATT UV REPLACEMENT LAMP 
-G7 Base (similar to G11)
-Total Bulb Length (including plastic insert, NOT including pins); 6-1/8inches (15.7 cm)
-Bulb (glass) length (not including plastic end) for 9 watt G7/G11= 5-1/2" (14 cm)
-Bulb (glass) width; 1 inch (2.5 cm)
-The G11 9 watt 4 pin bulb fits the Tetra Pond PUV-1500 and others requiring this unique uvc lamp

* UVC- 11 WATT UV REPLACEMENT LAMP (G23/PLS 11)- -G23 Base
-Pin space = 7/8" (2 cm) Approx.
-Total Bulb Length (including plastic insert); 9-1/4 inches (23.4 cm)
-Bulb (glass) length (not including plastic end) for 11 watt= 7-3/5" (19 cm)
-Bulb (glass) width; 1 inch (2.5 cm)
-The 11 watt G23 base that fits Jebo and more (please note that many newer Jebo require a proprietary 11 Watt Bulb that is shorter in length than the industry standard 11 watt UVC bulbs we sell, consider using the 9 watt G23 or the 13 Watt G23 which will work in these units and are the same overall dimensions).

* UVC- 12 WATT UV REPLACEMENT LAMP (G23/PLS 12)- 
-G23 Base
-Pin space = 7/8" (2 cm) Approx.
-Total Bulb Length (including plastic insert); 5-1/4 inches (13.4 cm)
-Bulb (glass) length (not including plastic end) for 12 watt= 3-3/4" (9.5 cm)
-Bulb (glass) width; 1 inch (2.5 cm)
-The 12 watt G23 base that fits Garden Treasures Pressurized Filter and more that require a 12 watt UV bulb.


 * UVC- 13 WATT UV REPLACEMENT LAMP (G23/PLS 13)- 
-G23 Base
-Pin space = 7/8" (2.2 cm) Approx.
-Total Bulb Length (including plastic insert); 7 inches (17.8 cm)
-Bulb (glass) length (not including plastic end) for 13 watt= 5-3/8" (13.7 cm)
-Bulb (glass) width; 1 inch (2.5 cm)
-The 13 watt G23 base that fits Via Aqua Terminator, Jebo, PEAK UV PCO Air Purifier, Cyprio Bio Force 2000/4000 (models requiring G23 base), Cyprio Vorton 2000/6000 (models requiring G23 base), Fishmate 3000 & 6000 (older models requiring G23 base, please check your base to make sure your UV does not require the newer GX23 below) and more.


 * UVC- 13 WATT GX UV REPLACEMENT LAMP (GX23/PLS 13)- 
-GX23 Base that fits new proprietary UV Sterilizers (such as newer Cyprio UVs) that require a 2 clip base instead of the standard 1 clip G23 base (GX =2 clips).
Such as the Ecoclear™ 2000 UVC 1314 & 1328, Ecoclear™ 4000 UVC 1329, the Newer Fish Mate 3000 and others.
-Pin space = 7/8" (2 cm) Approx.
-Total Bulb Length (including plastic insert); 7 inches (17.8 cm)
-Bulb (glass) length (not including plastic end) for 13 watt GX= 5-1/2" (14 cm)
-Bulb (glass) width; 1 inch (2.5 cm)


 * UVC- 18 WATT UV REPLACEMENT LAMP (PLL 18)- -G11 Base
-Total Bulb Length (including plastic insert, NOT including pins); 8-3/8inches (21.5 cm)
-Bulb (glass) length (not including plastic end) for 18 watt G11= 7-1/2" (19 cm)
-Bulb (glass) width; 1.5 inches (3.8 cm)
-The 18 watt a standard four pin base that fits some Tetra PUV 2500 & 4000 (some models require shorter bulb below, so please check length), Garden Treasures (Lowes), Coralife, Jebo, Terminator, Aqua Medic Helix Max 18, Custom SeaLife 18x Double Helix UV Sterilizer, Cal Pump Biofilter #BF2000 & UV18 (2006 or older), CaluTech Mini Air Purifier, Honeywell Airvent Air Treatment System, and more.
-Plastic Insert 1-3/4” wide

*UVC 18 WATT REPLACEMENT LAMP (SPECIAL G11/PLL 18) for newer Proprietary Tetra UV Sterilizers- 
-G11 Base
-Total Bulb Length (including plastic insert, NOT including pins); 8 inches (20.2cm)
-Bulb (glass) length (not including plastic end) for 18 watt G11= 7" (17.8 cm)
-Bulb (glass) width; 1.5 inches (3.8 cm)
-Fits some Tetra PUV 2500 & 4000 Pressurized Filter/UV, Cal Biofilter BF2000 & UV18, as well as any other UV unit requiring an 18 watt UV less than standard length. Please check your old lamp length, as although this bulb will fit all other 18 Watt units (although not recommended for other units due to shorter length), not all Tetra units require this special 18 watt bulb. Our apologies for any confusion, but it is Tetra that constantly "muddies" the waters by not using industry standard bulbs
Similar to the other 18 watt lamps, just shorter.


*UVC 18 WATT REPLACEMENT LAMP (SPECIAL G24 Base; PUVR2418) for newer Proprietary Cal Pump UV Clarifiers- 
-G24 Base
-Total Bulb Length (including plastic insert); 9 inches (22.8cm)
-Bulb (glass) length (not including plastic end) for 18 watt G24= 7" (17.8 cm)
-Bulb (glass) width; 1-3/8 inches (3.5 cm)
-Fits Newer Cal Pump UV Sterilizers that require the new G24 18 Watt UVC Lamps 

* UVC- 24 WATT UV REPLACEMENT LAMP (PLL 18)-
-Bulb length (not including plastic end) for 24 watt= 11-1/2" (29 cm); 
WITH plastic end (not counting pins) 12-5/8" (32 cm)
-G11 Base
-The 24 watt a standard four pin base that fits OASE Bitron 24C UVC Clarifiers, Fish Mate Pressurized 6000, Green Killing Machine 24, Terminator, Jebo 24 Watt, and more.
-Plastic Insert 1-3/4” wide
-Standard low pressure mercury vapor lamp; 36,000 to 42,000 uw-sec/cm2

 * UVC- 36 WATT UV REPLACEMENT LAMP (G11/PLL 36)-
-G11 Base 
-Bulb length (not including plastic end) for 36 watt= 15 -1/8" (38.5cm); 
WITH plastic end (not including pins) 16 1/8" (41 cm)
-The 36 watt is a standard four pin base that fits Tetra, Terminator, Jebo, Coralife Turbo Twist, CaluTech Original "Blue" Air Purifier, Aqua Medic Helix Max 36, Fish Mate Pressurized 9000, Oase Bitron 36 Clarifier, Bitron 72 Clarifier and more.
-Plastic Insert 1-3/4” wide
-Standard low pressure mercury vapor lamp; 36,000 to 42,000 uw-sec/cm2


*UVC 36 WATT REPLACEMENT LAMP (SPECIAL G24 Base; PUVR2436) for newer Proprietary Cal Pump UV Clarifiers- 
-G24 Base
-Total Bulb Length 
-Bulb (glass) length (not including plastic end) for 36 watt G24= 
-Bulb (glass) width; 
-Fits Newer Cal Pump UV Sterilizers that require the new G24 36 Watt UVC Lamps 

* UVC- 55 WATT UV REPLACEMENT LAMP (G11/PLL 55)- 
-G11 Base 
-Bulb length (not including plastic end) for 55 watt= 20” (50.8 cm); 
WITH plastic end (not including pins) 21" (53.3 cm)
-The 55 watt is a standard four pin base that fits Aqua Medic Helix Max 55, Jebo, Oase Bitron 55 Clarifier, Bitron 110 Clarifier and more.
-Plastic Insert 1-3/4” wide
-Standard low pressure mercury vapor lamp; 36,000 to 42,000 uw-sec/cm2