Crêpped surface, rough, for general laboratory use. Very high flow rate. Weight 70 g/m², thickness 250 ?m, retention 25 ?m, pressure difference 8 mm WG, ash content <:0.1%. Available in discs (presented in packages of 100 discs in a box). Equivalence: Whatman 114
reference: BLPV-090-100, Ø (mm): 90, type: disk, pcs/pack: 100