This product appears in the ERE Air Catalogue 2025
Rolls-Royce
Bureau Veritas
Renouveau La Fontaine
Englobe
National Defence
Government of QuébecOverview
Gravimetric analysis samples require filters to be weighed both before and after sampling to determine the amount of contaminate collected. Zefon® pre-weighed cassettes eliminate the inconvenience of pre-weighing filters by providing the filter weight on each cassette prior to sampling.
Features
• Each cassette is labeled with weight and serial number
• Use of pure homopolymer PVC filters provides excellent weight stability
• PVC filters specially designed with no silica and low ash properties
*Limited shelf life
Compare models
Your selection is highlighted. Select a row to switch.| Part Number | Diameter | Pore Size | Housing Style | Weight Tolerance | Quantity |
| ZE-5P52P | 25 mm | 5.0 μm | 2-Piece Styrene | 15 μg | 50/Box |
| ZE-5P52P-GS | 25 mm | 5.0 μm Gravi-Sert™ | 2-Piece Styrene | 15 μg | 50/Box |
| ZE-5P53P | 25 mm | 5.0 μm | 3-Piece Styrene | 15 μg | 50/Box |
| ZE-7P52P | 37 mm | 5.0 μm | 2-Piece Styrene | 15 μg | 50/Box |
| ZE-7P53P | 37 mm | 5.0 μm | 3-Piece Styrene | 15 μg | 50/Box |
Documents
Questions, answered
How fast will I get a price?
Send the quote request and a specialist replies within 4 business hours, Monday to Friday, 8:00 to 4:30 ET.
Can we pay on account or by purchase order?
Yes. With established credit, terms are Net 30 days, and you can send your purchase order with the quote request. We also accept Visa, Mastercard and American Express.
How is shipping charged?
On quotes and account orders, freight is F.O.B. Montréal: the carrier charge is worked out at shipment from the packed weight and dimensions, and added to your invoice. In-stock items can also be picked up the same day in Montréal (8605 rue du Champ-d'Eau).
Can I return it?
Yes, within 30 days of purchase, with a return authorization number from customer service first. A 25% restocking fee applies, unless it is a defect covered by the warranty. Special orders, hazardous materials, flammable liquids and gases can't be returned. Return policy
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