The 5-0219 UV Ozone Lamp is for the following discontinued DELZONE Ozone Generators:

• ZO-101C Ozone Generator for Large and Commercial Hot Tubs
  
• PZ-2000 Ozone Generator for In-ground Residential Pools
  
• PZ-2002 Ozone Generator for In-ground Residential Pools
  

Although the above DELZONE line of ozone generators and the 5-0219 have been discontinued, WE LOCATED THE LAST ONE!  In stock, ships immediately. 

5-0219 UV Ozone Lamp Specifications: 

• 15 3/4L x 3/4"D
• Bi-pin
• No grommet
• Is not potted
• Mercury, glass lamp (dispose of properly; see above)

Careful:  Do not touch lamp!  Finger grease can make inconsistent ozone production.

Careful:  UV lamps contain Mercury, so dispose of properly and according to your city's guidelines.  Careful not to break the lamp and breathe the fumes.  Due to the Mercury, this lamp is not shipped Internationally (sorry!).