Includes Caprock brand 12972 Lamp & 12982 quartz sleeve T5 (5/8 inch tube) Lamp has 4 pins one end with slot in base Sleeve has special Danner end-fitting This is a COMBO package consisting of one Caprock brand 12972 lamp and one Caprock 12982 quartz sleeve.

Both are 100% compatible with the Danner / Supreme Pondmaster 12972 OEM lamp and 12982 sleeve selling at a much higher price. The lamp measures 342mm (about 13.5 inches) excluding the 4 pins on the end of the lamp. The base has a slot between the pins to insure proper installation. Its peak output is at 254nm (UV-C) for use in Danner / Pondmaster and other systems. The rated useful life is 10,000 hours.

The quartz sleeve replaces the Danner / Pondmaster 12982 OEM sleeve. It measures 14.5 inches inches) and is about one inch in diameter.

They are both used in the 20 watt Clarifier Supreme 02920, 2920, Pressurized Filter PUV-2000, Submersible Ultraviolet Clarifier ProLine Pressurized Filter Systems 05025.