Cirtex Filtersleeve Drain Filter Sock 110mm x 30m SKU: 223959 MODEL: 76000 Error. try again later You've successfully joined the club $ 68 .98 each Mitre 10 MAvailable at Mitre 10 MEGA stores. Variants A cost-effective solution to protect your subsoil drains. Filter Sleeve is made from tough knitted fabric designed to prevent fine silts and sand from entering your drainage system. Features and benefits Will extend the service life of the drainage system. The seamless synthetic fabric is easily cut to length. Also available pre-loaded for easier installation.