MRCOOL DIY 16ft 1/4" x 1/2 " R454B Line set 0.5-in W x 0.25-in H Ductless Mini Splits Line Set

DIY 16ft 1/4" x 1/2 " R454B Line set 0.5-in W x 0.25-in H Ductless Mini Splits Line Set. The quick connect line set comes pre-charged,and sealed from the factory with the correct amount of R454B refrigerant. 16ft quick connect line set 1/4x1/2 for DIY mini split 18K. Compatible with the R454B refrigerant MRCOOL DIY single and multi-zone series units. Compatible coupler model DIYCOUPLER-1412K75C sold separately; connects up to two line sets for a maximum total length of 75 ft. Not compatible with the R410A refrigerant DIY single and multi-zone units