The IB600 vacuum cleaner bags designed to compatible with Intuition upright vacuums BU4018 BU4020 BU4021 BU4022 BU4050 with No-Touch Bag Technology. No need to touch the dirty dust cup or bag again. Hands-free operation and self-sealing ib600 hepa bags keep your home environment clean. Efficient HEPA vacuum bags filtration captures 99.97% of particles of dust, dirt, particles, and more down to 0.3 Micrometres, keeping them out of the air you breathe. This package of HEPA vacuum bags contains replacements, up -to one and a half year supply. Quick, easy, and no mess to replace. Recommended to replace your bu4020 bags every 2-4 week.to keep your machine fresh and clean, or depend on your usage. Colour:White Material:non-woven fabric Package Contents: 9 x Dust bag Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.