Spec. ind. pH 0.5-5.5, reel, refill

Special indicator paper pH 0.5-5.5 test paper - refill pack of 3 reels - measuring range: pH 0.5-1.0-1.5-2.0-2.5- 3.0-3.5-4.0-4.5-5.0-5.5 reel of 5 m length x 7 mm width