10 Best Compression Fittings 2021

Reviewed by Gareth Otwell | Last Updated: Mar 6, 2021

Corsair Hydro X Series Xf Compression 10/13mm (3/8"/ 1/2") ID/OD – ⭐ Best Overall Compression Fitting

CX-9051002-WW by Corsair

Dual 140mm fan mounts on either side of the radiator are ready for your most ambitious custom Liquid Cooling build.
30mm radiator thickness delivers extreme cooling performance with high-airflow and low-noise fans.
A premium COPPER radiator core and 25 micron thick cooling fins provide a high thermal transfer rate optimized for CORSAIR's performance copper water blocks.
High-quality matte Black polyurethane coating delivers a flawless finish to match your system.
Integrated fan screw guides make it easy to install fans even when the radiator is fitted into a case.

LTCF316 by 4LifetimeLines

High quality brass for leak-proof reliability
Our brake line unions are made with unmatched superior quality
Made of durable brass which is resistant to corrosion from salt that can be used on roads in the winter
Suitable for brake hydraulic line union
Lifetime warranty included on all products purchased from 4Lifetimelines

E-COOLINGTUBE-FITTING-58OD-4 by SDTC Tech

G1/4 PC Water Cooling System Soft Tubing Fitting, quick and easy to tighten, with embedded O ring design for leakproof seal.
Suit for 3/8" ID 5/8" OD Tubing, compatible with 10mm * 16mm (ID*OD) soft tube.
Made of high quality brass, black chrome finish, rust resistant and durable.
The Soft Tube Connector equipped with a ultra-tight compression fitting to securely seal your water cooling loop.
Package includes 4pcs G1/4" Male Thread to 3/8" * 5/8" (ID*OD) Soft Tubing Quick Fitting.

LL0211-Z by Ruikarhop

Suitable for the outer diameter of the pipe:1/4" 3/8" 1/2"
Product Material: Brass.
Used with plastic and copper tubing.
Package Include:150PCS Compression Sleeve Ferrules.
Commonly used to connect lines for air,water,fuel,oil and inert gases in a quick and simple way.

LTCF516 by 4LifetimeLines

Our brake line unions are made with unmatched superior quality
Made of durable brass which is resistant to corrosion from salt that can be used on roads in the winter
Suitable for brake hydraulic line union
Works with steel, copper nickel, copper coated steel, PVF-coated, and stainless steel lines
Lifetime warranty included on all products purchased from 4Lifetimelines

LTCF14 by 4LifetimeLines

High quality brass for leak-proof reliability
Our brake line unions are made with unmatched superior quality
Made of durable brass which is resistant to corrosion from salt that can be used on roads in the winter
Works with steel, copper nickel, copper coated steel, PVF-coated, and stainless steel lines
Lifetime warranty included on all products purchased from 4Lifetimelines

A116-14 by Litorange

★ 【Material】: Heavy Duty Brass,strong and durable. Size: 1/4" Tube OD x 1/4" inch NPT Male Adapter.
★ 【Firm And Durable】: Litorange Brass for corrosion resistance, high temperature ductility and low magnetic permeability.
★ 【Function】: Fitting connects to tubing on one end and has an NPT male connector on the other. Use with copper, brass, aluminum, or plastic tubing.
★ 【Tips】: Single ferrule compression fitting has fewer possible leak paths than twin ferrule fittings. Primary uses water, gasoline, oil and vacuum lines.
★ 【Package Include】: 4 PCS 1/4" Tube OD x 1/4" NPT Male connector. Comes with 1 year warranty.

38485 by Horiznext

Coupler connects to tubing on one end and has an NPT male thread connector on the other.
1/2" outer diameter tube,1/2 NPT male thread.
Made of stainless steel 304, heavy duty, durable and corrosion resistance.
Maximum working pressure of 2000 psi.
Temperature range from -212 to +1472 degrees ℉

HF62310 by LTWFITTING

Type: Compression Union
Tube Size:3/16" OD
Materies: BRASS
Net Weight: 17.5g/PC
Choosing products dimensions and quantities at column of size and colour seperately,price would be more favorable if choosing wholesale.

XFITTING PEX B Compatible with all types and brands of PEX Tubing - Watts, Everhot, Viega, Zurn, Nibco, Bow, etc.
Design certified to ANSI/NSF-61 and ASSE 1061 product standard for use in potable water and hydronic heating water distribution.
Work with Crimp Connection System (PEX Crimp tool + Copper Crimp Rings) or Clamp Connection System (PEX Clamp tool + Stainless Steel PEX Clamps)
400 PSI, Approved to be used underground and behind walls without access panels
Same/1 Day Handling Time, Using USPS 2-3 Days First Class Mail First Class Mail with Tracking # and Insured