Python compression fitting assemblies are made of solid brass construction and, can be applied in the field without the use of special tools.
Brass Compression Fittings for Potable Drinking Water
Everbilt 1/2 in. OD Compression x 1/2 in. MIP Brass Adapter Fitting 800819 - The Home Depot
Brass Compression Fittings for Potable Drinking Water
ACR Fittings
ChillWaves Brass Compression Tube Fitting, 1/2 OD x 1/2 OD
6020-PYTHON - Python 6020-PYTHON - 3/4 Male Compression Fitting Assembly
Reusable Air Hose Fitting, Fitting Assembly, 3/8 x 1/2
Uponor Q4020500 Manifold Fitting Assembly, 1/2 in, R20 Thread
Python Line Set Fittings
64X8 by Danfoss, Compression Fitting, Union Tee, 1/2 Tube OD
Best Price on Brass Adaptor Male and Female Compression Pipe Fittings
Line Sets - Python Line Sets - Line Set Fittings
SAE 100 R1 R2 1sn 2sn Hydraulic Hose Assembly Fittings
Natural Gas Pipe 1/2' Female Pex Brass Compression Fitting Floor
Brass Pipe Fittings - NPTF Unions (28-067)