Composite Filter Tank
Pentair Composite Filter Tanks are designed for durable use in water treatment, offering strength, lightweight design, and corrosion resistance. With a seamless polyethylene liner reinforced by fiberglass (FRP) windings, they’re ideal for residential, commercial, and industrial applications like filtration, softening, and deionization.

Pentair Composite Filter Tanks are engineered for long-term use in water treatment systems, combining strength, lightweight design, and corrosion resistance. Manufactured with a seamless polyethylene liner reinforced by fiberglass (FRP) windings, these vessels are ideal for residential, commercial, and industrial applications including filtration, softening, and deionization.

Key Features
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Material: High-performance composite with NSF-approved PE liner and FRP exterior
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Operating Pressure: Up to 150 psi (10.5 bar)
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Operating Temperature: Up to 49°C (120°F)
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Corrosion-resistant and non-metallic construction
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Threaded and flange opening options available
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Certified to NSF/ANSI 44, 61, and PED standards
Model Specifications
Model | Diameter (Inch) | Height (Inch) | Opening Type | Base Type | Volume (Liters) |
1054 | 10 | 54 | 2.5” Threaded | Flat | 56.8 |
1354 | 13 | 54 | 2.5” Threaded | Flat | 88.1 |
1665 | 16 | 65 | 4” Flanged | Flat | 145.8 |
1865 | 18 | 65 | 4” Flanged | Flat | 171.9 |
2162 | 21 | 62 | 4” Flanged | Dome | 211.0 |
2472 | 24 | 72 | 4” Flanged | Dome | 302.8 |
3072 | 30 | 72 | 6” Flanged | Dome | 472.0 |
3672 | 36 | 72 | 6” Flanged | Dome | 667.0 |
Note: Additional custom sizes available upon request.
Applications
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Water softeners in residential and light commercial systems
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Media filtration: sand, carbon, resin, mixed bed
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Pretreatment for RO/UF/NF systems
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Deionized water tanks for industrial use
Why Choose Pentair from KaT Solution?
At KaT Solution, we provide genuine Pentair composite tanks with full technical support. Our inventory includes standard 1054 to large-capacity 3672 models, compatible with a wide range of control valves (manual and automatic). We ensure fast delivery, installation guidance, and performance you can rely on.