Whatman

HEPA-VENT 50 GF 10/PKHEPA-VENT 50 mm disc, inlet 1/4 to 3/8 inch stepped barb, outlet 1/4 to 3/8 inch stepped barb, 10/pk - used in a variety of ai...

POLYVENT 50MM 0.2 PTFE 100/PKPolyVENT™ 16, inlet 1/4 - 3/8 inch, outlet 1/4 - 3/8 inch SB, 100/pk is an integral filter product for sterile venting...

QM-C high-purity quartz microfiber, pre-fired filter, 50mm, 100/pk

Whatman Nuclepore Hydrophilic Membrane, 12.0 µm pore size, 50 mm circle, (100 pcs)

Whatman ReZist Air Venting Filter, 50 mm, PTFE, 0.2 µm, non-sterile, 10 pieces

Whatman Mixed Cellulose Ester Circle ME Range (ME 25), plain, 0.45 µm pore size, 50 mm, low C, 100 pieces

Whatman Regenerated Cellulose membrane grade RC55, sterile, 50mm diameter disk format, 100/pk.

Whatman Grade 72 Activated Carbon Filter, for radioactive air monitor, 5 cm, 100/pk

GF/A 5.0CM 100/PKGlass Microfiber Binder Free Grade GF/A circles, 50 mm, 100/pk. Offers fine particle retention and high flow rate, as well as good...

GF/C 5CM 100/PKGlass Microfiber Binder Free Grade GF/C circles, 50 mm, 100/pk. Is the standard filter in many parts of the world for the collection...

QMA 5.0CM 100/PKQuartz Filters - Grade QM-A Circles, 50 mm 100/pk. High-purity quartz microfiber filters are used for air sampling in acidic gases,...

OE67 0.45uM 50MM 100/PKCellulose Acetate Membrane circles (OE 67), 0.45 µm, 50 mm. Cellulose Acetate Membranes are made from pure cellulose acetate...

OE66 0.2uM 50MM 100/PKCellulose Acetate Membrane circles (OE 66), 0.2 µm, 50 mm. Cellulose Acetate Membranes are made from pure cellulose acetate m...

NC10 0.1uM 50MM 100/PKCellulose Nitrate Membranes, plain, 0.10 µm, 50 mm Recommended for the majority of routine applications, this membrane is m...

NC20 0.2uM 50MM 100/PKCellulose Nitrate Membranes, plain, 0.20 µm, 50 mm Recommended for the majority of routine applications, this membrane is m...

NC45 0.45uM 50MM 100/PKCellulose Nitrate Membranes, plain, 0.45 µm, 50 mm Recommended for the majority of routine applications, this membrane is m...

WCN WH 50MM 0.45uM 100/PKCellulose Nitrate Membranes, circles, plain, 0.45 µm 50 mm 100/pk. Recommended for the majority of routine applications, t...

WCN WH 50MM 1.2uM 100/PKCellulose Nitrate Membranes, circles, plain, 1.2 µm 50 mm 100/pk. Recommended for the majority of routine applications, thi...

AE98 5uM 50MM 100/PKCellulose nitrate circles, plain, 5 µm, 50 mm Recommended for the majority of routine applications, this membrane is manufactur...

AE99 8uM 50MM 100/PKCellulose nitrate circles, plain, 8 µm, 50 mm Recommended for the majority of routine applications, this membrane is manufactur...

AE99/5 8uM 50MM 100/PK HYRIMCellulose nitrate circles, plain, with hydrophobic rim, 8 µm 50 mm. Recommended for the majority of routine application...

MP21 ST 0.45uM 50MM 100/PKMicroPlus-21 ST membrane circles white, 50 mm, cellulose nitrate, 0.45 µm, 3.1 mm black grid, sterile

MP21 STL 0.45uM 50MM 400/PKMicroPlus-21 STL membrane circles white, 50 mm, cellulose nitrate, 0.45 µm, 3.1 mm black grid, sterile, for Membrane-Butler

MP31 ST 0.45uM 50MM 100/PKMicroPlus-31 ST membrane circles black, 50 mm, cellulose nitrate, 0.45 µm, 3.1 mm white grid, sterile