Pentek 163550 UV-BAL-120 Ballast for UV-4-G-1/4 30 The 10" Big Blue ECP

The 10" Big Blue ECP cartridges contain 18 square feet of media

and the Carbon Postfilter

Clear bowl easily removed for total cleaning (No tools required-using tools voids warranty)

The Shelco 8002-S is the band clamp replacement head for Shelco 4FOS & 5FOS Series Multi-Cartridge Housings

Stainless Steel Bubbler

Pentek 163550 UV-BAL-120 Ballast for UV-4-G-1/4 30 The 10" Big Blue ECPThe Pentek 163550 UV BAL 120 Ballast works with the Pentek 255663 43 UV 4 G 1 4JG In Line UV Lamp Module. It works at 120 volt AC and 50 60 Hz. The Pentek UV 4 G 1 4 In Line UV Lamp Module is a great addition to any reverse osmosis or filter system. NOTE: Replace the UV 4 G 1 4 every 12 months to ensure UV intensity for maximum protection.