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Air Monitoring Membrane
31 products
Showing 25 - 31 of 31 products
M2.5 Air Monitoring Membrane, PTFE, 46.2 mm with support ring, sequentially numbered
PM2.5 air monitoring membranes
A high-purity, thin PTFE membrane in a sequentially numbered chemically resistant polypropylene support ring for PM 2.5 ambient air monitoring. Whatman PM 2.5 membranes have low tare mass for accurate gravimetric determinations. The thermally stable design eliminates curling, keeps the membrane flat, and makes the filter robot-friendly.
The PM 2.5 PTFE membranes are manufactured under clean room conditions. These chemically resistant, low chemical background filters permit sensitive, interference-free determinations. No glues or adhesives are used in making these 46.2 mm diameter products.
Showing 25 - 31 of 31 products
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PALL
PALL 66238 25 mm Air Monitoring Cassettes - 25 mm support pads, non-sterile (100/pkg)
Sale price$58.78
Regular price$60.90
Save $7.47
PALL
PALL 4376 25 mm Air Monitoring Cassettes - Three-piece unit, unassembled (50/pkg)
Sale price$207.53
Regular price$215.00
Save $12.89
PALL
PALL 4382 25 mm Air Monitoring Cassettes - Three-piece unit with GN-4 Metricel membrane and support pad, banded (50/pkg)
Sale price$244.91
Regular price$257.80
Save $10.47
PALL
PALL 4338 37 mm Air Monitoring Cassettes - Two-piece unit, unassembled (100/pkg)
Sale price$290.53
Regular price$301.00
Save $8.49
PALL
PALL 4336 37 mm Air Monitoring Cassettes - Three-piece unit with GN-4 Metricel membrane and support pad (50/pkg)
Sale price$161.39
Regular price$169.88
Save $14.19
PALL
PALL 4339 37 mm Air Monitoring Cassettes - Three-piece unit, unassembled (100/pkg)
Sale price$269.74
Regular price$283.93
Save $27.19
Whatman
Whatman 1872-055 Carbon Air Filter, Grade 72 Activated, 5.5cm Circle, pack/100
Sale price$90.04
Regular price$117.23
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