Series of silencers with filter in spherical sintered bronze and nipple in brass or copper plated steel, otherwise with both filter and nipple fully manufactured in sinterized spherical bronze.
Series of silencers with filter in Stainless Steel AISI304 or AISI 316 and nipple (or body) in various materials (Stainless Steel Aisi 304, Stainless Steel Aisi 316, Nylon, Zinc-plated steel).
Series of silencers with filter in pressed felt and aluminium net, granulate in acetalic resin or polyethylene and nipple (or body) in various materials (Acetalic resin, Nylon, Polyacetal).