Manufacturer Omniswivel
Product Code : MB-Z4
4-Way Y Block Adaptor (MB-Z4) with 1 x 9/16" female (in) and 4 x 3/8" female (out)
Typically, adaptors are required to connect to 1st stage or regulator hoses
This enables at 1st stage a 3/8" port to be split/extended into 4 ports.