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Watts-GAC10S Flowmatic Granular Activated Carbon-Silver Cartridge, 2 3/4 IN X 9 3/4 IN, 10 Micron, 2,500 Gallon Capacity

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Watts-GAC10S Flowmatic Granular Activated Carbon-Silver Cartridge, 2 3/4 IN X 9 3/4 IN, 10 Micron, 2,500 Gallon Capacity

The Watts GAC10S Flowmatic is a 10 micron granular activated carbon filter cartridge built for low-flow applications like under-sink systems, countertop units, and pre/post-RO setups. With a 2,500 gallon capacity and silver-treated coconut shell GAC media, it removes chlorine taste, odors, and chemicals while inhibiting microbial buildup.
SPECIFICATIONS

Watts GAC10S Filter Specs

Dimensions
2 3/4" × 9 3/4"
Standard 10-inch cartridge size
Filtration Rating
10 Micron
Nominal sediment reduction
Capacity
2,500 Gallons
Replace every 6-12 months
Media Type
Silver GAC
Coconut shell carbon
Pressure Range
20–125 PSI
Min/Max operating pressure
Temp Rating
100°F Max
38°C maximum
TECHNICAL DETAILS

Filter Construction & Performance

Manufacturer Watts
Model Number GAC10S Flowmatic
Filter Body Material NSF-listed polypropylene
Carbon Media Water-washed coconut shell GAC with silver treatment
Primary Function Taste, odor, and chlorine removal
Antimicrobial Treatment Silver-treated to inhibit bio-film and microbial buildup
Flow Application Low-flow residential and commercial systems
COMPATIBILITY & APPLICATIONS

Where the Watts GAC10S Works Best

This cartridge fits standard 10-inch filter housings and is ideal for under-sink filtration systems, countertop filter units, inline refrigerator filters, and as a pre-filter or post-filter stage in reverse osmosis setups. The silver-treated granular activated carbon is particularly effective in low-flow applications where taste and odor removal is the priority. It works with most brands of 10-inch housings that accept 2.75-inch diameter cartridges, including Watts, Pentek, Culligan, and other industry-standard systems. Best performance is achieved when water pressure is between 20 and 125 PSI and temperature stays below 100°F.

💧 Pro Tip: Replace GAC cartridges every 6 months or 2,500 gallons, whichever comes first. If you notice a return of chlorine taste or smell before the recommended interval, replace the cartridge early—it means the activated carbon sites are saturated and no longer adsorbing contaminants effectively.
$15.75

Original: $45.00

-65%
Watts-GAC10S Flowmatic Granular Activated Carbon-Silver Cartridge, 2 3/4 IN X 9 3/4 IN, 10 Micron, 2,500 Gallon Capacity—

$45.00

$15.75

Product Information

Shipping & Returns

Description

The Watts GAC10S Flowmatic is a 10 micron granular activated carbon filter cartridge built for low-flow applications like under-sink systems, countertop units, and pre/post-RO setups. With a 2,500 gallon capacity and silver-treated coconut shell GAC media, it removes chlorine taste, odors, and chemicals while inhibiting microbial buildup.
SPECIFICATIONS

Watts GAC10S Filter Specs

Dimensions
2 3/4" × 9 3/4"
Standard 10-inch cartridge size
Filtration Rating
10 Micron
Nominal sediment reduction
Capacity
2,500 Gallons
Replace every 6-12 months
Media Type
Silver GAC
Coconut shell carbon
Pressure Range
20–125 PSI
Min/Max operating pressure
Temp Rating
100°F Max
38°C maximum
TECHNICAL DETAILS

Filter Construction & Performance

Manufacturer Watts
Model Number GAC10S Flowmatic
Filter Body Material NSF-listed polypropylene
Carbon Media Water-washed coconut shell GAC with silver treatment
Primary Function Taste, odor, and chlorine removal
Antimicrobial Treatment Silver-treated to inhibit bio-film and microbial buildup
Flow Application Low-flow residential and commercial systems
COMPATIBILITY & APPLICATIONS

Where the Watts GAC10S Works Best

This cartridge fits standard 10-inch filter housings and is ideal for under-sink filtration systems, countertop filter units, inline refrigerator filters, and as a pre-filter or post-filter stage in reverse osmosis setups. The silver-treated granular activated carbon is particularly effective in low-flow applications where taste and odor removal is the priority. It works with most brands of 10-inch housings that accept 2.75-inch diameter cartridges, including Watts, Pentek, Culligan, and other industry-standard systems. Best performance is achieved when water pressure is between 20 and 125 PSI and temperature stays below 100°F.

💧 Pro Tip: Replace GAC cartridges every 6 months or 2,500 gallons, whichever comes first. If you notice a return of chlorine taste or smell before the recommended interval, replace the cartridge early—it means the activated carbon sites are saturated and no longer adsorbing contaminants effectively.
Watts-GAC10S Flowmatic Granular Activated Carbon-Silver Cartridge, 2 3/4 IN X 9 3/4 IN, 10 Micron, 2,500 Gallon Capacity | Isopure Water