The SP-400 38mm closure makes a positive thread seal with a 38mm fitment neck. The puncture seal coupling body automatically breaks the membrane seal on the closure cap when connected. To switch to a new container, simply depress the Colder thumb latch to disconnect the system and then connect the puncture seal coupling body to a fresh container. 38mm LDPE puncture seal thread on cap is 1.12" high and 1.7" long.
- LDPE 38mm closure
- Makes a positive thread seal with 38mm fitment neck
- Puncture Seal coupling easily punctures seal membrane
- Eliminates shipping caps
- Temperature range: 32°F to 160°F (0°C to 71°C)