[kari]

What's not shown in the photo and included is,

2 _ 1/2" swivel 90deg speed fit X 1/2"mnpt elbows
2 _ 1/2" hoses
1 _ 1/2" speed fit X 1/2"mnpt adapters
1 _ 1/2" single true union ball valve


The flow rate is suggested at 100gph/liter media.