Collection base - plain outlet

Collection base – 3 inlet, for solid-wall riser pipe ø 315

K31Z16B - dedicated for ø 160 pipes

K31Z20B - dedicated for ø 200 pipes

Collection base – 3 inlet, for corrugated riser pipe ø 315 (external diameter ø 355)

K35Z16B - dedicated for ø 160 pipes

K35Z20B - dedicated for ø 200 pipes

Collection base – 3 inlet, for solid-wall riser pipe ø 400

K40Z16B - dedicated for ø 160 pipes

K40Z20B - dedicated for ø 200 pipes