Pre-Filter Cartridge (for use with Countertop Water Filter AQ-4000-DVPI 前置濾芯適用於AQ-4000-DVPI) Filter 維持穩定的水壓，防止水流堵塞，增加水流與濾芯的接觸時間，使過濾更充分，水流更大。

維持穩定的水壓，防止水流堵塞，增加水流與濾芯的接觸時間，使過濾更充分，水流更大。

反滲透活性炭濾水器再礦化器替換濾筒。反滲透膜濾芯應每年更換，視當地水質而增加更換頻率。

and a total of 960 baths)

calcium and magnesium while maintaining the pH-value in the water and enhancing taste

Aquasana premium shower filter uses a patented two-stage

Pre-Filter Cartridge (for use with Countertop Water Filter AQ-4000-DVPI 前置濾芯適用於AQ-4000-DVPI) Filter 維持穩定的水壓，防止水流堵塞，增加水流與濾芯的接觸時間，使過濾更充分，水流更大。The sediment pre filter is used to prevent dirt and sediment particles from entering and clogging the main filter unit. Replace the pre filter as needed, particularly once the pre filter is noticeably saturated with sediment. * Two version of pre filter will be sent out on random basis. *