Store +3 MrCool DIYCOUPLER-3/8 + DIYCOUPLER-5/8 w/ 50 ft of Communication Wire DIYCOUPLER-3858K50 $117.00 In stock Quantity: 1 Add to Bag Product Details This DIY Coupler fits Lineset Kits for 24000 and 36000 BTU Mini Split DIY Systems. Includes 50 Feet of Communications Wire Save this product for later Favorite