Active Carbon FilterPrevents outside odor coming from tank by connecting it at the highest point along the breather 16,19,25 mm (3/8″,3/4″,1″) adjustable :Weight: kg/.25 lbsType: Black waterCertification: CE marked 94/25/ECC, ISO8846 Small Craft, Electromagnetic compatibility 89/336/EEC, EN51014 1993/radio disturbance
