BACFREE ER Series ER19S (Polish Finishing) Whole House Outdoor Filter

Multi-medium filters consist of coal based activated carbon, anthracite and / or fine quartz for the filtration of sediment, color, excessive chlorine and suspended solids down to as small as 5 microns.

Features:

• Food Grade 304 Stainless Steel Vessels & Piping
• Free Water Test Report
• No Cartridge Replacement & Low Maintenance Cost
• Turbidity Less Than 5 NTU
• Water Quality Guaranteed 
• Inclusive Water Tank Cleaning
• Inclusive Installation
• 10 Years warranty for housing & 5 Years warranty for water quality
  

As for the filtration media, the carbon layers should be replaced every 5 years.

And the Anthracite, Quartz Sand and Special Stone layers should be replaced every 10 years.

Water filter maintenance: How to clean and maintain my outdoor water filter

The filters for ER-Series are easy to maintain.

Depending on usage and water condition, just backwash once a week.

The valves on the water filter are labelled 1, 2, and 3 so that you can refer to them easily.

To do a backwash,

Step 1: Close Valve 2
Step 2: Close Valve 1
Step 3: Open Valve 3
Step 4: Flush out the accumulated sediments and rust until it is clear
Step 5: Close Valve 3
Step 6: Open Valve 1
Step 7: Open Valve 2