Protect your Dilution Solutions Nutrient Delivery System (NDS) with all the necessary accessories for a successful installation. Includes incoming on/off ball valve, an in-line pre-filter with 200 mesh (80 micron) screen, a fresh water test port, a check valve and all necessary ¾” in plumbing connections to put it all together. This kit can be used in conjunction with booster pumps with VFD Control. The NDS DAB Starter Kit does not include a pressure regulator. Works with ¾” NDS system.