The dust bag is made of melt-blown fabric and non-woven fabric, combined with the cleaning station can effectively capture 99.7% of ultra-fine dust down to 0.3 tiny particles. It lock automatically when you lift the dust bag, completely sealing the dust bag inlet to dust and dirt stay inside the bag. In order to keep your robot running at its best, please clean and replace parts in time. If you have allergies and pets , it is recommended to replace the dust bag every 2-3 weeks. Easy to install and remove, no need to spend extra energy and time. 100%Made of high-quality materials, environmental friendly materials, soft and to use.<br><br>(1) Fits For models: FC8202 FC8204 FC8206 FC8208 FC8220 FC8222 FC8224 FC8226 FC8312 FC8382 FC8384 FC8386 FC8388 FC8390 FC8392 FC8394 FC8396 FC8398 FC8406 FC8410 FC8412 FC8420 FC8422 FC8424 FC8430 FC8432 FC8436 FC8437 FC8438 FC8439 FC8613 FC8614 FC9050 FC9056 FC9066 FC9083 FC9084 FC9087 FC9088 FC9130 FC8134 HR8500 HR8331 HR8345 HR8350 HR8352 HR8353 HR8354 HR8360 HR8370 HR8375 HR8376 HR8378 HR8426 HR8514 FC8200 FC8219 FC8380 FC8399 FC8400 FC8499 FC8600 FC8649 FC9000 FC9099 FC9100 FC9199 HR8300 HR8349 HR8368 HR8378 HR8599 (2) For models: Z2347 Z3347 ZE2248 Z2015 Z2020 Z2241B Z2242 Z5628 Z5650 Z5925 Z6350 Z7510 Z7520 ZE346B ZE360WP ZUS3940P ZUSG3901 Z2241 Z6202 Quantity:4PCS Colour:Gray Material:Non-woven fabric<br><br>Package Contents: 4 * Dust Bag<br><br>Only the above package content, other products are not included. Note: Light reflection 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.