Material: Rg 5 - Building Supply "dry"
Input: 2 x Storz B adapters and blank caps made from brass
output point: 3" female thread, swivel

Berlin version with 2 x Storz B adapters with ceiling capsule made from light material is similarly available

Material: Rg 5
Inlet: 2" male thread swivel
Outlet: Storz C adapter and blank cap made of aluminium or copper alloy

Material: Rg 5, stainless steel ball float
Outlet: 1 ¼"female thread

for dry riser DIN 14 462