由即日起至2022年12月31日，凡購買指定型號替換濾芯2套，以優惠碼 BUY2GET15% 結帳，即可享85折優惠。From now until December 31, 2022, you can enjoy a 15% discount with the coupon code BUY2GET15% when you purchase 2 sets of selected replacement filter cartridges models.
