CHEMSOLUTE Universal pH-indicator paper, pH 1-14, 5m x 7mm, Refill pack with 3 rolls Back Catalog number: 2814-3ROLL Availability: In the manufacturer's stock Price on request - + Recommended MA914BR/1 pH/Temp amplified probe with 1m cable for Mi105 Price on request MA921B/2 Double junction ORP platinum electrode MA921B/2 Price on request MA916B/1 Combined glass pH electrode, refill, BNC, 1m Price on request