R4979 Lyphan roll pH 4,9 to 7,9

sealed plastic box with rotating roll of 6m test paper original
R4979 LYPHAN Rolle pH 4,9 bis 7,9
pH-value / pH measuring range 4,9 5,2 5,5 5,8 6,1 6,4 6,7 7,0 7,3 7,6 7,9

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