The SIP Coarse Cotton Filter Bag is one of a variety of high-quality dust collector bags, whether cotton, poly or paper, that perfectly complement the complete range of SIP Dust Collectors, providing effective filtration at a range of levels.• Replacement coarse cotton collector filter bag• Manufactured from high-quality and durable cotton• Ideal for a range of premium SIP Dust Collectors• Easy-to-fit and superb value-for-money