Lennox UV Replacement Bulb (Y0391) for UVC 41W-S and UVC 41W-D Systems

This is a Lennox Healthy Climate standard replacement lamp for the UVC 41W-S and UVC 41W-D . For best results, you should change the bulb yearly. 
41 Watt Bulb - 16" Long - Ozone Free!
4-Pin Bulb with Green Tip
UVC-41W-S takes 1 bulb
UVC-41W-D takes 2 bulbs

NOTE: UV Systems covered under warranty - but the lamps themselves are not covered.