Akwụkwọ ntuziaka Hague Series Draw na Backw Ashing Filters Guide
Chọpụta akwụkwọ ntuziaka onye ọrụ zuru oke maka Hague Series Air Draw na Backwashing Filters, na-enye nkọwa zuru ezu, ntuziaka ojiji ngwaahịa, ngosipụta arụmọrụ n'ozuzu, usoro mmeghari ugboro abụọ, nkọwa valvụ gafere, yana FAQ na iwepu nitrates na nje bacteria coliform. Ntuziaka dị mkpa maka ịnọgide na-arụ ọrụ kacha mma nke nzacha Hague Series.