Membranes with imprinted grid for colony counts. Individually packed GLP conformity, with filter identification & lot number on each pack. 3.1 x 3.1mm grid, black on white
England & Wales +44(0) 115 982 1111
Scotland +44(0) 1236 431 857
Northern Ireland +44(0) 28 9262 1100
Republic of Ireland +353(0)1 4069464