Vent-MAXX Double Layer PTFE for Sterilization in Air & Vent Gas Applications

Strainrite's Vent-MAXX gas sterilizing filters set a new standard for PTFE membrane elements. These filters utilize a technologically advanced membrane in our unique pleat construction to deliver unrivalled efficiency, superior strength, and high flow rates.

Vent-MAXX Double Layer PTFE for Sterilization in Air & Vent Gas Applications

Technical Specifications

Filtration Performance

Specification Detail
Maximum Differential Pressure Forward: 75 psid (5.1 bar) @ 75°F (24°C), 40 psid (2.8 bar) @ 180°F (82°C)
Reverse: 50 psid (3.4 bar) @ 75°F (24°C)
Maximum Operating Temperature 180°F (82°C) continuous duty
Integrity Test Values All cartridges are integrity tested prior to shipment using pressure decay test method. Values below are for cartridges wetted with 100% IPA.
10": test pressure 14 psi, diffusional flow 25 mL/min
20": test pressure 14 psi, diffusional flow 50 mL/min
30": test pressure 14 psi, diffusional flow 75 mL/min

Materials & Compliance

Specification Detail
Filter Media Double layer PTFE
End Caps / Cage / Core Polypropylene
Pleat Support Material Polypropylene
End Cap Insert 316 Stainless Steel
Seals Fluorocarbon, Silicone
Construction Method Thermal bond
Toxicity Cartridge materials meet USP Class VI and CFR 21 for food and beverage contact

Advanced Features

Specification Detail
Sterilization Vent-MAXX cartridges have been validated for bacterial removal in air at an aerosol bacterial challenge level of Brevundimonas diminuta at 10⁷ per cm² per ASTM (F 838-05).
Liquid challenge validated as sterilizing grade filter at a challenge level of Brevundimonas diminuta at 10⁷ per cm² per ASTM (F 838-05).
Water Intrusion Test (WIT) value of > 60 psi with a WIT not to exceed 75 psi.
Packaging Economy Bulk packaging in case quantities: 5 inch - 48 per carton | 10 inch - 24 per carton | 20 inch - 12 per carton | 30 inch - 12 per carton

Physical Specifications

Specification Detail
Outside Diameter 2.7" (6.87 cm)
Approximate Surface Area 7.5 square feet per 10" equivalent
Lengths 5 inch (12.7 cm) | 10 inch (25.4 cm) | 20 inch (50.8 cm) | 30 inch (76.2 cm)

Product Overview

Vent-MAXX double layer PTFE membrane filters are designed to remove microorganisms, particulate, and moisture in your most demanding air and gas applications. These liquid validated sterilizing grade filters are designed to meet the highest levels of security required in the pharmaceutical, food and beverage, and biopharmaceutical industries.

Vent-MAXX filters conform to USP Class VI – 121°C and 21 CFR Part 177. Strainrite delivers clear solutions to your air and gas filtration applications.

Features & Benefits

PTFE membranes

Inherently hydrophobic media

100% integrity tested

High surface area

Sterilizing grade in liquids

Virus retentive in gases

Thermally bonded construction

Water intrusion testable

Quality control certificate with every filter

FDA listed materials per CFR 21

Can be steam sterilized multiple times in situ for longer filter life

Manufactured in certified clean rooms

Recommended Vessels

Vessels and housings recommended for use with this product.

SRCT / SRVT Sanitary Stainless Steel Cartridge Vessels

Markets & Applications

Sterile Process Air
Exhaust Venting
Fermenter Inlet Air
Sterile Venting of Tanks