The MRCOOL DIY 16ft quick connect mini split system line set features a 1/4 inch liquid line and a 1/2 inch suction line. Should you need less length for your installation, simply bundle the excess into a loose coil and store it near the condenser.this Line set will work with the DIY 9k,12k,18k single or DIY multi-zone unit.
- The quick connect line set comes pre-charged,and sealed from the factory with the correct amount of R410A refrigerant 
- 16ft quick connect line set 1/4x1/2 for DIY mini split 9K,12K,18K 
- Compatible with the R410A refrigerant DIY single and multi-zone units 
- Easily extend your line sets by connecting two with a simple DIY coupler for custom lengths up to 75ft 
- For separate purchase, the compatible coupler to extend two line sets is DIYCOUPLER-1412K75C 
- Not compatible with the R454B refrigerant DIY single and multi-zone units