Filter-Ag Plus

Filter-Ag Plus® Overview

Filter-Ag Plus® is a lightweight, high-performance filtration media engineered to outperform traditional sand and gravel. Its angular structure and high surface area deliver improved particulate removal while reducing pressure drop and backwash water requirements—making it an efficient choice for both residential and commercial filtration systems.

Why Dealers Choose Filter-Ag Plus®

Easier system design compared to heavy sand/gravel media.
Lower operating costs due to reduced backwash demand.
Reliable performance across a wide range of installations.

Key Features & Benefits

Lightweight media reduces required backwash flow rates.
High surface area improves turbidity and particulate removal.
Angular grain structure enhances filtration efficiency.
Chemically inert and compatible with common treatment chemistries.
Long service life with consistent performance over time.

Typical Applications

Whole-house filtration systems
Commercial and light-industrial filtration
Replacement for multi media systems (sand, gravel, anthracite, garnet)
Systems where pressure drop or water usage is a concern.

Operation

Bed Depth 24-48” (36” is optimal)
Max Temperature: 140° F
Freeboard: 50%
Service flow rate: 12-20 gpm per ft²
Backwash rate: 14-18 gpm per ft²
Backwash bed expansion: 30-40%
Saturate before backwashing
Gravel support bed required
Influent water quality and effluent requirements may affect operating parameters.

Properties

Color: White to off-white
Mesh Size: 14×30
Effective Size: 0.55 mm
pH: wide range
Bulk Density: 50 lbs./ft³
UC: 1.8

Filter-Ag Plus Installation Instructions

Before putting Filter-Ag Plus® filter into service follow these recommended instructions:

Slowly fill tank with filter valve in the backwash position until water flows to drain.
Backwash at 15 to 20 gpm/ft² for 5 minutes.
Let material settle for 5 minutes.
Repeat backwash and settle steps for a total of 3 times.
Put the filter to service.

Important Note: For best results allow Filter-Ag Plus® to sit submerged in water for a minimum of 12 hours prior to following the above procedure and prior to putting the filter to service. A gravel support bed is required.