Spec. ind. pH 5.4-7.0, reel, refill

Special indicator paper pH 5.4-7.0 test paper - refill pack of 3 reels - measuring range: pH <(><<)>5.4-5.4-5.7-6.0- 6.2-6.4-6.7-7.0->7.0 reel of 5 m length x 7 mm width