OASE UVC LAMP 24W - FITS FILTOCLEARS 4000 & 3400

Size Your Replacement Bulb Step 1: Identify your bulb s base to verify that it matches the picture. Step 2: Locate your bulbs wattage. Step 3: Measure your bulb end to end (including pins) to confirm which replacement bulb is correct for you. Replacement UVC bulbs fits Oase Pressurized Filters models 3000 4000 and 8000.