Pre-Tank filter

3P Garden filter with telescopic extension

Operating principle

  1. Rainwater is led onto the filter cartridge.
  2. The dirt is detained in the dirt collecting basket. The basket has to be cleaned if necessary.
  3. One inlet DN 100 can also be used as an emergency overflow.
  4. Cleaned water flows over the inlet DN 100 into the rainwater tank.

Garden Filter with plastic shaft extension tube for direct installation in the ground before the rainwater tank, with locking lid.

The extension tube is telescopic, so it can be cut to the correct height. It is therefore simple to use and install. The extension is correctly fitted when the bayonet locking system clicks into place.

This filter is very suitable for equipments of watering the garden and for sites in which the rainwater has to be drained off. That means where no connection with a sewer is possible.

All inlets and outlets at DN 100, one inlet can also be used as an emergency overflow.

The cleaned rainwater is led through the bottom connection into the rainwater tank. Also a calmed inlet can be installed there.

Connection capacity for roof areas up to 200 m².

The cleaned water can be used for garden watering.

The filter

Technical Data

Filter according to DIN 1989-2, Typ B

2 x Connection inlet: DN 100

Outlet into rainwater tank: DN 100

Connection capacity for roof areas up to 200 m².

Housing material: Polyethylen

Telescopic extension: Polyethylen

Material filter basket: Polyethylen Ø 305 x 288 x 245 mm

Mesh size: 1mm

Weight: 7,3 kg


Average rainfall in Germany 80% less than 15 l / (sxha), which results in a volume flow of 0.32 l / s with a roof area of ​​213 m².

Pipe diameter: DN 100
max. flow: 6,4 l/s
connectable area at max. 200 l/(sxha): 320 m²
connectable area at max. 300 l/(sxha): 213 m²

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