Filtreau Amalgam 40w uv tube. 4 pin uneven spacing. See photograph. Clear water

40 watt replacement amalgam lamp. Four pins NOT equally spaced. See photographs. Used in Filtreau Amalgam Submersible UV40 systems. For Ponds up to 7500 gallons. Also known as a GPHVA357T5L/4P. Long Life – up to 16,000 hours. Powerful 40 watt uv-c light.

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