Whirl Pak® Bags, Black, Write-On, 4 oz. Calibration Solutions the HI981031 Beer pH Tester

the HI981031 Beer pH Tester is engineered to withstand the tough environment of the brewery

and a PolyDura cover defends your notes from scratches and stains

Refill packs of 30 ampules are also available

Product Code: WWP-1

Anti-static

Whirl Pak® Bags, Black, Write-On, 4 oz. Calibration Solutions the HI981031 Beer pH TesterProduct Code: B01472WA 4 oz. Capacity, 3" x 7. 25", 2. 5 mil Wall When it is necessary to protect a sample from light, the Whirl Pak black bag is specially designed for this application. The polyethylene film is made from pigmented resins so the black color is an integral part of the bag and not a printed layer. The result is an opaque bag providing maximum protection for samples that are sensitive to light. It is ideal for pharmaceuticals, spinal