Aqua Ultraviolet® Ultima II Filter Replacement Parts Laguna F-50 Bio Pure is a

F-50 Bio Pure is a natural bacteria blend used to enhance water quality and clarity while digesting bottom sludge

Denitrifying bacteria that convert nitrates to completely harmless nitrogen gas

Rapid establishment of organic removal capabilities

This proprietary filter media was specifically developed to have fewer areas that collect anaerobic bacteria

potable water

Aqua Ultraviolet® Ultima II Filter Replacement Parts Laguna F-50 Bio Pure is aThese replacement parts and accessories are for the Aqua Ultraviolet Ultima II Filters. Some are parts of the valve assembly: Valve Handle, Valve Cover O Ring, Spider Gasket, Pressure Gauge and Sight Glass with Gasket. Some are parts of the filter assembly: a 1. 5" or 2" Union, Filter O Ring, Clamp Assembly, or Drain Cap. NOTE: If replacing the 2" Spider Gasket the old gasket must be completely removed though it was originally glued in place and the