راستی این مشخصات میکرو مک هستش به جمله ای که bold شده دقت کنید:High-quality sintered glass balls for crystal-clear water.
- With only 14 mm ball diameter, also suitable for small filters
- Conical tunnel pores allow algae-promoting nitrates to be broken down
-More intensive breakdown of ammonium and nitrite.
1 liter has 1500 sqm effective surface, 8 times as much as conventional ceramic pipes.-