The economy / whole house system is designed for low use and comes in a single or twin option. IT COMES IN STANDARD 1/2" BSP THREAD. Plumbing fittings available on our website under PARTS GENERAL or from you local hardware or plumbing supply. In the twin you put a sediment filter first in-line followed by your choice of carbon filter. You will find your flow rate much better than the single and also an extended carbon life.
*** JUST CHOOSE THE CARBON FILTER AND SEDIMENT CARTRIDGE YOU WOULD LIKE AND ADD THEM THROUGH THE DROP DOWN MENU. WATER FILTER WORLD WILL SEND YOU A REMINDER LETTER EVERY 12 MONTHS.