Spec. ind. pH 3.8-5.8, reel, refill

Special indicator paper pH 3.8-5.8 test paper - refill pack of 3 reels - measuring range: pH <(><<)>3.8-3.8-4.1-4.3- 4.5-4.7-4.9-5.2-5.5-5.8>5.8 reel of 5 m length x 7 mm width