GVS Filter Paper, Disk, 90mm, Ashless-Medium, Grade 43, 100/PK FP090DME43QANC01

Glass microfiber filter discs designed for laboratory and environmental sampling applications. These 21 mm diameter, disk-shaped, binder-free glass fiber filters provide particle retention down to 1.0 µm and are intended for air and liquid particulate collection, sample preparation and general-purpose laboratory filtration. The product is used where high impurity retention and low filter resistance are required, including atmospheric particulate sampling and water analysis.

Key Features:

• Diameter: 21 mm
• Filter media: Glass fiber (100% borosilicate, binder-free)
• Retention/nominal pore size: 1.0 µm
• Grade: FB
• Form: Disk
• Pack quantity: 100 per pack
• Temperature resistance: up to 500°C (binder-free glass microfiber)

Advantages:

• High retention of fine particles down to 1.0 µm for effective particulate capture in air and liquid sampling.
• Binder-free glass microfiber construction offers outstanding impurity retention capacity combined with low filter resistance.
• Broad thermal stability (up to 500°C) enables use in high-temperature laboratory procedures and thermal treatments.
• Small 21 mm disk format simplifies sample preparation and fits standard holders for routine laboratory and environmental monitoring workflows.