Size:1/4" tube X 1/4" stem.
Plastic material: POM with FDA & NSF approval.
The material of the rubber used inside the connector: EPDM.
Used in Reverse Osmosis(RO) water filtration system tube connection.
Part No.: 0406Q, size: 1/4" tube X 3/8" stem.
Part No.: 0606Q, size: 3/8" tube X 3/8" stem.