Installing a mini split system yourself just got easier with pre-charged...
https://spark-wiki.win/index.php/Mini_Split_Drain_Hose_Installed_Wrong:_Why_Is_Water_Backing_Up%3F
Installing a mini split system yourself just got easier with pre-charged quick-connect linesets that can be up to 16 feet long. You won’t need a vacuum pump or an EPA Section 608 license to handle the refrigerant