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. T5F 4-Pin Base

Replacement 8 Watt UV Bulb designed for Aqua® Ultraviolet Classic UV Clarifiers. Fits models: Classic – 8 Watt and Statuary Frog – 8 Watt.

…features that get a lot of sun and suffers from green water. Ideal for Ponds Up To 25,000 Gallons * Multiple sizes available range from 8 watts to 240 watts. --> * Handles ponds and water features as little as 500 gallons or large pond up to 25,000 gallons. * Each unit is available in two colors,…

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. T8B Bi-Pin Base

Replacement 8 Watt Quartz Sleeve w/ Rubber Seal designed for Aqua® Ultraviolet Classic UV Clarifiers. Fits models: Classic – 8 Watt. Dimensions: 17-1/4" x 1-5/8".

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. T5F 4-Pin Base

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. T5B Bi-Pin Base

Replacement 57 Watt Quartz Sleeve w/ Rubber Seal designed for Aqua® Ultraviolet Classic UV Clarifiers. Fits Classic models: 57 Watt and 114 Watt. Dimensions: 22-1/8" x 1-5/8".

Replacement 15 Watt Quartz Sleeve w/ Rubber Seal designed for Aqua® Ultraviolet Classic UV Clarifiers. Fits models: Classic – 15 Watt. Dimensions: 17-1/4" x 1-5/8".

Replacement 25 Watt Quartz Sleeve w/ Rubber Seal designed for Aqua® Ultraviolet Classic UV Clarifiers. Fits models: Classic – 25 Watt. Dimensions: 22-1/8" x 1-5/8".

Replacement 40 Watt Quartz Sleeve w/ Rubber Seal designed for Aqua® Ultraviolet Classic UV Clarifiers. Fits Classic models: 40 Watt, 80 Watt, 120 Watt, 160 Watt, 200, Watt, and 240 Watt. Dimensions: 37-1/4" x 1-5/8".

…12 Volt lighting system. The transformer includes a photocell that turns all your lights on at dusk, allowing you to set the lights to 4, 6, and 8 hour intervals. The 150 Watt Transformer also provides the option of manual on/off override and a 25' extension lighting cable. 1 Year Warranty.