Choosing the right filtration separation hardware usually comes down to what you're filtering, not just how much you want to spend. The four listings here sit in different corners of that decision: a used cartridge-style housing for liquid filtration, a used bag filter housing for higher-flow liquid applications, water filters for replacement duty, and a new air line filter for air systems. They also span a wide listed-price range, so the smart first step is matching the media type, connection, and flow path to your actual setup.
Quick take: For a standalone cartridge-based unit in a lab-style liquid application, the Millipore SH011 is the cartridge-based pick. For higher-flow liquid filtration, the Filtra Systems bag filter housing is the bag-style option. If you simply need replacement water filters, the Process Filtration entry is the lowest-priced. And for air line cleanliness, the High Flow filter is the only air-side option in this group.
Listed Price Comparison
| Listed product | Listed price | Price bar |
|---|---|---|
| Process Filtration Water Filter (6) | USD 49.99 | |
| High Flow 5 Micron Air Filter | USD 73.99 | |
| Millipore Filter Housing SH011 | USD 479.20 | |
| Filtra Systems FSC Bag Filter Housing | USD 550.00 |
Decision Matrix
| Shopper scenario | Recommended listing | Why this fits |
|---|---|---|
| Laboratory or benchtop liquid filtration | Millipore Filter Housing SH011 | Used cartridge housing with a single-position cartridge basket |
| Higher-flow liquid filtration | Filtra Systems FSC Bag Filter Housing | Used bag housing for process liquids |
| Bulk water filter replacements | Process Filtration Water Filter (6) | New open-box filters with part number 3P879 / T15R10A |
| Compressed air line water and debris removal | High Flow 5 Micron Air Filter | New in-line unit designed for compressed air systems |
Product Notes
#### Millipore Filter Housing SH011 H2FBSH011T

The Millipore SH011 is a used stainless steel cartridge housing with a single-cartridge basket and a configurable outlet. The listing highlights a polished stainless finish with only minor scuffs, though the original packaging shows creasing. At $479.20, it's the lower-priced of the two full housings in this roundup, and it's aimed at liquid filtration rather than air service. The concrete reason to choose it is the cartridge-style design with a single-cartridge basket and configurable outlet, priced at $479.20. The limitation is that it's a used unit, so you'll want to confirm cartridge fit and inspect the photos before committing.
#### Filtra Systems FSC Bag Filter Housing

This used Filtra Systems housing is a single-basket bag filter vessel built from 304 stainless steel, with a nameplate rating of 150 PSI maximum working pressure and a 35 PSI maximum differential pressure. At $550, it's the highest listed price in this comparison, but it's also the only bag-style housing here, and the listing calls it suitable for water, coolant, and oil. The concrete reason to choose it is the bag-filter capability in a 304 stainless steel body. The limitation is that it carries the top listed price, and because it's used, you'll need to rely on the photos and the stated PSI data rather than factory-new specs.
#### Process Filtration Water Filter 3P879 (6-Pack)

The Process Filtration listing offers six water filters for a single listed price of $49.99, which makes it the lowest-priced option in this group. It's described as new open box, with a United States country of origin and part number 3P879 / T15R10A. The concrete reason to choose it is the quantity: if you're replacing filters on a regular schedule, the pack gives you a stock of replacement elements. The limitation is that the listing focuses on the part number and count rather than detailed performance specs, so matching the T15R10A part number to your existing filter is the responsible move before purchase.
#### High Flow 5 Micron Air Filter with Auto Drain & Metal Bowl

The High Flow unit is a new compressed-air particulate filter with a 5-micron rating, an auto drain, and a metal bowl, all for a listed price of $73.99. The manufacturer part number is F706A, and the connection is listed as 3/4" NPT with a maximum temperature of 140°F. It's the only air-side product in this set, and the listing describes it as an in-line water trap for compressed air systems. The concrete reason to choose it is the combination of auto drain and metal bowl in a single filter. The limitation is that it's listed as a single unit with only a 4.96-ounce item weight, so if you need multiple points of protection, you'll need to plan for one unit per line.
Final Recommendation by Use Case
- Laboratory-style liquid filtration: Choose the Millipore Filter Housing SH011 for liquid filtration at a lower listed price than the Filtra option.
- Higher-flow liquid filtration: Choose the Filtra Systems FSC housing for water, coolant, or oil service.
- Replacement water filters in bulk: Choose the Process Filtration water filter if the T15R10A part number matches your current filter.
- Air line moisture and particulate protection: Choose the High Flow 5 Micron Air Filter for air line service.