Home » Products » Stormwater & Drainage Stormwater & Drainage To ensure your drainage projects are as easy and as cost effective as possible, we have a range of products available to help you out. FilterPlus™ FilterPlus is generally used for subsoil drainage filtration and separation by preventing the intermixing of aggregates and soils. FilterSleeve™ FilterSleeve is a tested and proven solution for protecting subsoil drains from blocking. AquaSleeve AquaSleeve is a heavy duty, UV stabilised plastic tubing which can be clamped or taped to an outer pipe to temporary redirect water flow. Geotextile Non-woven geotextiles are ideal for drainage, filtration, separation reinforcement and protection applications. SmartSoak® The SmartSoak system contains all the components required to attenuate stormwater from an individual residential site. Armourflow™ This products protects waterproofing coatings and channels water efficiently to the drainage system, preventing water pressure build-up.