4ZL21 SPEEDAIRE Pneumatic Oil Filter Npt Cfm

Review SPEEDAIRE Pneumatic Oil Filter Inch Npt 300 Cfm

Introducing the Speedaire 4ZL21 Pneumatic Oil Filter, an essential component for maintaining the cleanliness and longevity of your compressor's lubrication system. Designed to handle high-volume applications, this oil filter is suitable for compressors with a maximum flow rate of 300 CFM.

The filter housing is built with sturdy materials, ensuring durability and resistance to wear and tear. It features a NPT (National Pipe Thread) connection, making it compatible with a wide range of compressor systems. The filter element itself is made of pleated synthetic media, which provides a large filtering surface area for removing contaminants as small as 2 microns in size.

This oil filter boasts a generous 11-inch filtration capacity, allowing for extended periods between filter replacements. The filter element can be easily accessed and replaced with minimal downtime, ensuring your compressor stays up and running.

The Speedaire 4ZL21 Pneumatic Oil Filter is designed for use in industrial and commercial applications, where reliability and performance are paramount. Its high flow rate capability ensures that even in heavy-duty usage, the filter can efficiently remove contaminants without restricting airflow to the compressor.

Investing in a high-quality oil filter such as the Speedaire 4ZL21 is an essential step in ensuring the proper functioning and longevity of your compressor system. By keeping the lubrication system free from contaminants, you can reduce wear and tear on internal components, minimize downtime for maintenance, and improve overall system efficiency.

The Speedaire 4ZL21 Pneumatic Oil Filter with an NPT 300 CFM connection is a popular choice for compressor users who require an efficient and effective oil filtration system. Here are some pros and cons to help you make an informed decision before purchasing this product.

1. High CFM Rating: With a 300 CFM (cubic feet per minute) rating, this oil filter can handle high-volume compressor systems, ensuring efficient and continuous filtration.

2. NPT Connection: The filter comes with an NPT (National Pipe Thread) connection, making it compatible with a wide range of compressor systems and easy to install.

3. Durable Construction: The housing is made of cast iron, which provides excellent heat dissipation and durability, ensuring long-lasting performance.

4. Large Filter Element: The filter element has a large capacity, allowing for longer filtering intervals, reducing the need for frequent replacements and downtime.

5. Easy to Install: The filter comes with a mounting bracket and all necessary hardware, making installation a straightforward process.

1. Price: The Speedaire 4ZL21 Pneumatic Oil Filter is priced higher than some other filters on the market, which may be a consideration for budget-conscious buyers.

2. Size and Weight: Due to its durable construction and high CFM rating, the filter is larger and heavier than some other models, which may require additional space and handling during installation and transportation.

3. Limited Capacity: While the filter element has a large capacity, it may not be sufficient for extremely dirty oil or applications where very fine particles need to be removed, requiring additional filtration steps or more frequent replacements.

The Speedaire 4ZL21 Pneumatic Oil Filter is a robust and efficient solution for compressor systems that require high-volume filtration. Its durable construction, large filter element, and compatibility with a wide range of systems make it a valuable investment for those who prioritize efficient and effective filtration. While its price and size may be a consideration for some, the benefits it offers in terms of performance and longevity make it a worthwhile investment for compressor users.

If you are in the market for a high-performance oil filter for your compressor system and are willing to invest in a durable and efficient solution, the Speedaire 4ZL21 Pneumatic Oil Filter is an excellent choice. Its large filter element, high CFM rating, and NPT connection make it a versatile and effective option for a wide range of compressor applications. However, if budget or space constraints are a concern, there may be other filter options on the market that better suit your needs. Ultimately, it is essential to consider your specific application requirements and budget before making a final decision.

Details:

Npt, 300 cfm : pneumatic oil filter, filter type coalescing, air inlet size 2 in, maximum flow rate cfm , operating pressure 250 psi, temperature 150 degrees f, overall width 8 1/4 height 18 7/8 drain included yes, bowl material metal, manual, series heavy duty, differential indicator no, direction left to right, gender female, outlet in details. Receptacles. Speedaire 4ZL21 pneumatic oil filter, 2 in. Electrical outlet's.

Electrical boxes. And enclosures. Light industrial.

specifications compressorshow:

• brand: Speedaire
• mpn: 4zl21
• country of origin: Cn
• size: Heavy-duty
• type: Compressors, Air Tanks Pneumatic Parts Pneumatic System Compo
• weight: 17.0000
• length: 26.600
• width: 8.500
• features: Pneumatic Oil Filter, Filter Type Coalescing, Air Inlet Size 2 In
• battery included: No
• upc: 190735631287

returns compressorshow:

• time: 60 days
• method: money back
• paid by: seller
• policy: returns accepted

payments compressorshow:

• credit card: mastercard
• other
• wallet: apple-pay

shipping compressorshow:

• class: standard
• type: fixed
• transit: 4-4 days
• service: standard

general compressorshow:

• category: Business & Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Compressors Blowers > Compressed Air Tanks

offer compressorshow:

• options: ship-to-home
• prices: $236.99–$580.46
• item condition: New
• sold #: 9
• availability: in stock
• started: december 22, 2025

seller compressorshow:

• city: USA
• rating: 99.8%
• # reviews: 1297883