Spec. ind. pH 5.5-9.0, reel, refill

Special indicator paper pH pH 5.5-9.0 test paper - refill pack of 3 reels - measuring range: pH 5.5-6.0-6.5-7.0- 7.5-8.0-8.5-9.0 reel of 5 m length x 7 mm width