I got one for $30 on Amazon and it's the same catch can used my many kits and had connections ready to go. The one I got was advertised as for TRX and had a 45 and 90 degree end with correct PVC connection.There's a $50 catch cannon amazon that will do everything the J&L does.
here is the link to the one I used and it's 100p plug and play. $28USD
evil energy has one for $58USD