The 21B22F is a high capacity bag filter housing made from 304 stainless steel. Size #2 (30" basket depth) can serve as a basket strainer or bag filter. The vessel comes with 4 filter bags, hinged eye bolt covers, carbon steel legs, differential pressure ports, and Standard 204 SS Basket. Pipe size is 4" flange with a Buna N cover seal. Covers can be easily removed without special tools. 150 PSI pressure rating. (22-30-4F-3-150-4S-BS-PB-DP)

Key benefits:
  • Easy to clean
  • Adjustable-height legs, standard
  • Low pressure drops
  • Proudly Made in the USA
  • Permanently-piped housing


Stainless steel 304 (SS304) has excellent corrosion resistance and weldability. SS304 has an oxidation resistance of 1600°F for intermittent service and 1690°F for continuous service. We have a collection of stainless steel 304 drums, power drill mixers, and filter vessels. Stainless steel 304 products, such as pans and cooking tools are common household products that people use on a daily basis.


This information has been provided as a general guide. It is the customer's responsibility to select the proper container for product and application compatibility.

Additional Information

More Information
MaterialStainless Steel (304)
Size2 (7.06" x 32")
Bag/Cartridge Qty4 Bag
Housing Size30"
Pipe Size4" Flange
Outlet StyleInline Bottom
Pressure Rating150 PSI
SealBuna Seal
Basket StyleStandard Basket
Pallet Pack1 ea.
Country of ManufactureUnited States
Sieve Diameter3"
Q & A
Customer Questions
Can you ship internationally? Where are you located?
The Cary Company online ordering platform is only set up to ship within the United States. For international shipments, please contact us at 630.629.6600 or Sales@thecarycompany.com, and we will be happy to process your order. Our main warehouse and office are located in Addison, Ill. We also have warehouses in across the United States that you can see here. Thank you for choosing The Cary Company.
Can this bag vessel also use #2 cartridge filters instead of bags?
Thank you for your inquiry. No, you cannot use cartridge filters with this stainless steel filter vessel, as it is strictly for filter bags. The vessels that use filter cartridges are multi-cartridge filter vessels, which you can view here. We will also forward our sizing datasheet in a separate message to further assist with your filter selection. Thank you for choosing The Cary Company.
How many bags can your Multi-Bag Filter Vessels hold/house?
We offer Multi-Bag Filter Vessels that can hold between 2 and 23 double length filter bags.
What is the purpose of a Multi-Bag Filter Vessel?
Multi-Bag Filter Vessels are designed to remove contaminants from fluids and handle a wide range of flows. They hold multiple liquid filter bags on one vessel.
What are your Multi-Bag Filter Vessels made of?
We have Multi-Bag Filter Vessels made of carbon steel and stainless steel (304 and 316).
What industries use Multi-Bag Filter Vessels the most?
Multi-Bag Filter Vessels are a popular choice for a wide variety of industries, including food and beverage, coatings, desalination, paints and inks, etc.
What is the PSI on your Multi-Bag Filter Vessels?
Our Multi-Bag Filter Vessels have a rating of 150 PSIG at 250° F (121.1° C).
Are your Multi-Bag Filter Vessels easy to change out filter bags?
Yes! Our Multi-Bag Filter Vessels include swingout closures that allow for fast and easy filter bag replacement.
Where can I go to find out more information about what filter vessel or bag is right for my business?
We have Filtration Specialists available to answer questions and suggest filter vessels, bags and more. They can go over more information if you complete our Filter Housing Worksheet.
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