With two months of 30G refills.

Everything you'll need to start enjoying your pool using less chemicals. For above ground and in ground pools from 30,000 gallons up to 39,999 gallons.  Kit contains dispenser, base and installation parts to adapt  your new or existing pool to the PoolNaturally system.  Includes 30 large size 30G PoolNaturally refills in one convenient kit.