SPEL Siphon Filter

SPEL siphon filter banner

The SPEL Siphon Filter is a small and compact rainwater filter for the installation in rainwater tanks made of either plastics or concrete.

The inner filter sieve is made of stainless steel. With this filter, the overflow siphon DN 100 with odour trap and suction of the surface water is already integrated.


  • The overflow is twistable to 90°.
  • Connection capacity according to DIN 1986: up to 213 m² roof area with a rainfall intensity of 300 l/(sxha).
  • All connections DN 100.
  • Height difference between inlet and outlet: 135-340 mm

How it works

SPEL siphon filter how it works
  • Rainwater is directed to the filter level
  • Bulk waste is transported further into the channel
  • Purified water is directed through the calmed inlet into the rainwater tank

Technical Data

SPEL siphon filter dimensions

Filter according to DIN 1989-2, Typ C

Connection inlet: DN 100
Outlet into rainwater tank: DN 100
Outlet to the channel: DN 100

Height difference between inlet and outlet: 135-340 mm

Housing material: Polyethylen
Material filter sieve: Inox
Wedge wire filter: 0.7 x 1.7 mm