WIDE COMPATIBILITY: Improvedhand air purifier filters fit for Dyson Tower Purifier Pure Cool Link models TP01, TP02, TP03, AM11, and BP01, replaces part 968126-03, part numbers: 305158-01, 305159-01, 308400-01, 308401-01. Product dimension is 7.4"L x 7.4"W x 7.3"Th NOTICE：NOT compatible with Dyson modelsTP07，TP09，TP10， HP01, HP02, HP03, DP01 DP02, DP03, Please check the machine model number before ordering. You can find the model number on the product label or on the back of the machine. POWERFUL FILTRATION: Improvedhand air purifier filter replacement for Dyson Purifier pure uses a dual-layer filtration system including a main filter that absorbs most suspended particles ，an activated carbon filter to help you with odors and gases, releasing fresh air into your living space VALUABLE PACKAGE: You can get 2 set glass hepa filter,2 set activated carbon filters. Note：After reassembling the machine, press and hold the standby on/off button on the remote control for 6 seconds to reset the filter indicator.We recommend you replacing your filter every 6-12 months or depends on how often you use to protect you air purifier better AFTE-SALES: Any reason of quality or compatibility within 90 days, contact us timely and we are here 24 hours offering service and helping you solve your problems