【UNIVERSAL HK-047 COMPATIBILITY】For AIR, For Redagob,For Leebie, For Hillyife Series Electric Toilet Brush ,Fit ALL HK-047 electric toilet brush models on the market - 100% compatible with major brands using HK-047 system. Not for other scrubbers. 【36PCS = 4 MONTHS SUPPLY!】Use twice weekly? 36 heads last 4 months! Buy 2 packs for 8 months, 3 packs for full year supply. 3-layer sponge replaces 6 bottles of cleaner. 【HYGIENIC ONE-TOUCH REPLACEMENT】Press-button release changes heads in seconds - no touching waste . 【MULTI-SURFACE CLEANING POWER】Deep-cleans toilets, bathtubs, sinks, drains, mirrors, basins with one system. 【POWERFUL 360° ROTATION】Flexible head reaches hidden grooves with professional scrubbing action.