Ref. AQA-SR Round drain in AISI 316L stainless steel (Marine quality). View product about Ref. AQA-SR Ref. AQA-SRL Round liner drain in AISI 316L stainless steel (Marine quality). View product about Ref. AQA-SRL Ref. AQA-SCAV Anti-vortex square sump in stainless steel AISI 316L (Marine quality). View product about Ref. AQA-SCAV Ref. AQA-SCAL Square anti-vortex drain for liner in AISI 316L stainless steel (Marine quality). Polished finish Gaskets included. View product about Ref. AQA-SCAL Ref. AQA-SC Square drain in AISI 316L stainless steel (Marine quality). View product about Ref. AQA-SC