Think Crucial 3 Replacements Aquabot Pool Filter Bag Fits 8111 & 8101, Maximum Durability, 7.9" x 7.9" x 1.1", Washable & Reusable WASHABLE & REUSABLE Aquabot pool cleaner filter bag that fits # 8111 & # 8101 so there is no need to purchase another one again! MAXIMUM DURABILITY so that you don't have to worry about replacing it ever again and so that anything that gets in the bag won't ruin it! EASY TO USE because cleaning your pool can be a pain. This filter bag can be one less thing you have to worry about when cleaning your pool! EXPERT FILTRATION so the bag only keeps in the gross things you don't want to keep in your pool. Keeping your pool looking cleaner than ever! GUARANTEED SATISFACTION because of a 30 day full money bank guarantee and a trusted Think Crucial warranty. We are so confident in our products that we have no problem giving you every penny back if you're unhappy with your purchase. You won't see promises like that from big box brands!