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  • Rainus Filters (with UK Downpipe Adapters) in three colours: Black, Grey and Brown.
  • Rainus Downpipe Filter in Black (with UK adapter at base).
  • Rainus Downpipe Filter in Grey (with UK adapter at base).
  • Rainus Downpipe Filter in Brown (with UK adapter at base).
  • Graphic showing Rainus Filter in use with a soakaway system.
  • Graphic showing Rainus Filter in use with an underground rainwater harvesting tank.
  • Graphic showing Rainus Filter in use with an infiltration pond.
  • Graphic showing Rainus Filter in use in an undergrdound concrete water  tank.
  • The Rainus comes with top and base fittings to connect to your downpipe.
  • The Mesh Filter is made of Stainless Steel and can be easily removed for occasional cleaning.
  • Rainus Filter with Top Adapter.
  • Rainus Filter showing Top adapter.
  • Dimensions of the Rainus Downpipe Filter.
  • Dimensions of the lower Adapter for UK Downpipes.

Rainus Downpipe Filter

£95.40  Price includes VAT

Product Code: 2000740UK

Product Description

The Rainus Downpipe Filter is a proven winner with customers who have had problems with blocked gulleypots, underground pipework to rainwater storage systems, soakaways or drains. It is ideal for retro-fitting to properties where there is currently no filter in place, before existing below-ground tanks and drainage systems where it would not be practical to install a below ground filter. Also, for use before soakaways, ponds and infiltration systems as this is a Soakaway Defender, taking the organic matter away from soakaway or rainwater tank. 

It is a professional filter, and is sufficient for protecting the rainwater quality even in an underground rainwater tank.

The Rainus is so easy to monitor, due to its installation position in the downpipe -- no need to lift heavy lids or to climb down into storage tanks!

It's removable Stainless Steel mesh filters to below 1mm particle size keeping flies and mosquitoes out of the rainwater tank. 

The Rainus fits 80mm, 90mm and 100mm down-pipes (usually of the aluminium or zinc varieties) and, with the adaptor, also the 68mm round and 65mm square down-pipes which are the common sizes of plastic down-pipe in the UK. For square downpipes the unit fits into the downpipe, there will be gaps around the downpipe corners, but the water flows perfectly well into the downpipe.

Please note the dimensions of the unit (see below). It should be installed at a height where it can be easily maintained.

The filter insert will need cleaning once or twice a year for optimal efficiency. The filter is easily removed and slotted back into place for maintenance.

Technical Information

  • Filter Mesh size: 0.7 x 1.7 mm
  • Housing material: ABS
  • The filter is approx; H:50cm, W:17cm, D:22cm.
  • Suitable for roof areas up to 90m2
  • Comes in three colours; Black, Grey and Brown (not yet available in White) 

Guides and ideas

A bit undecided about what options are available to you?

Then have a look at our Rainwater Harvesting FAQs and have a read of our informative guides

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