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The Maxi-Filtra is an active carbon filter designed to eliminate
bad odours produced by the drainage system. For use externally, it operates as a 2-way vent,
filtering air in both directions. Particularly for use with septic tanks, the Maxi-Filtra may
also be installed on open vents - either where the open vents already exist or for new-builds
where regulations insist on their inclusion within the building’s drainage system. For best results,
the ® Maxi-Filtra should be installed in conjunction with Air Admittance Valves from the
® System.
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| The Installation |
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The ® Maxi-Filtra may be installed vertically or horizontally in an
accessible external location. No specialist installation is required –
the Maxi-Filtra is commonly installed with a push-fit connector. The cap
simply lifts off to enable easy access for the carbon filter to be replaced
a minimum of two-yearly. In installations with high odour saturation the carbon
filter should be replaced more regularly when odour becomes noticeable.
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| The Accessories |
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The ® Maxi-Filtra is supplied with one carbon filter and the connector as standard.
Suitable for connection to 80 & 100mm DWV.
The replaceable carbon filter should be changed regularly.

The Aluminium Cover provides protection to the Maxi- Filtra when it is installed outside the open air. This provides insulation again extreme temperatures (-20°C to +60°C) and protection from animal/birds and the environment, i.e. inclement weather and the sun's ultra-violet rays.
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