Lab Safety Supply Inc 12K996 Filter Membrane VSS 11.0cm PK100

11 cm VSS filter membranes for lab filtration

This pack contains 100 binderless borosilicate glass microfiber filters with an 11 cm diameter and VSS grade. They suit laboratory workflows that need consistent pore structure for liquid or air samples. The material tolerates temperatures up to 550 °C during use. Each disc measures 0.43 mm thick with a 1.5 µm pore size.

Replaces generic glass-fiber discs when tighter

Switching from standard grades is worthwhile when particle capture at 1.5 µm improves downstream analysis or protects sensitive instrumentation. The binderless construction reduces extractables that can interfere with gravimetric or chemical tests. Labs handling high-temperature filtrations gain a wider thermal window than many cellulose alternatives allow.

Simple disc placement in standard holders

The 11 cm diameter fits common funnel and manifold fittings without trimming. Misalignment or over-tightening clamps can tear the thin microfiber sheet, so handle edges gently. Ensure the housing seals evenly to prevent bypass flow that would compromise the 1.5 µm rating.