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Studor Maxi-Filtra Vent Cap

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Direct Drainage Reviews
Studor 20297 Maxi-Filtra Septic Tank Drain Vent Two-Way Active Carbon Filter, 3 or 4 Inch Connection

Filter should be replacement every two years as a minimum.


Maxi Filtra Installation Instructions


The Studor Maxi-Filtra is a sturdy, active carbon vent designed specifically for outdoor applications to eliminate bad odours produced by the drainage system, and is ideal for use with septic tanks. Robust design means the Maxi-Filtra can be used externally, either vertically or horizontally, and can be installed in hard-to-reach places.

The active carbon filter within the Studor Maxi-Filtra operates as a two-way vent, filtering air in both directions and absorbing the bad odours. The Studor Maxi-Filtra is packaged in a resilient exterior for longevity outside, together with an initial replaceable filter.

The Studor Maxi-Filtra may be installed externally anywhere when the odour from existing vents present a problem, or when pipe vents are to be included in the drainage system of a new build:

    • Septic tanks

    • Grease separators

    • Rain water tanks

    • Sewage treatment plants

Key features and benefits:

    • Saves money by eliminating the need for odour-reducing additives in septic tanks.

    • Easy retrofit installation to solve existing problems.

    • Simple push-fit connection to all brands of UK domestic soil pipe.

    • Designed to resist extreme temperatures and deterioration.

    • Low maintenance – just replace the carbon cartridge a minimum of every two years; the Maxi-Filtra cap simply lifts off.

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