The Pentair 180009 FNS Plus 60 D.E. (Diatomaceous Earth) Filter is a premium high-capacity filtration system designed for large residential in-ground pools. With 60 sq. ft. of vertical grid surface area, it captures ultra-fine debris and particles as small as 2–5 microns, delivering crystal-clear, healthy pool water. The durable, corrosion-resistant tank and robust hydraulic design ensure long-lasting performance. This model is sold without a valve, allowing for flexible integration with multiport or slide valves.
Features
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60 Sq. Ft. Grid Surface Area — Maximum D.E. filtration for superior water clarity
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Durable Reinforced Polymer Tank — Corrosion-proof and weather-resistant
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High-Flow Hydraulic Design — Optimized for efficient pool circulation
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Custom Valve Compatibility — Works with Pentair multiport or slide valves (sold separately)
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Compact and Space-Saving Design — Easy placement on equipment pads
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Long-Life Construction — Minimal maintenance with extended durability
Benefits
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Provides ultra-clear, clean, and healthy pool water
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Captures ultra-fine particles, reducing chemical usage
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Durable construction ensures long-term performance
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Flexible valve options allow custom system setups
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Supports pump efficiency and energy savings
| 5 star | 64% | |
| 4 star | 36% | |
| 3 star | 0% | |
| 2 star | 0% | |
| 1 star | 0% |
Verified ownerHad no problems setting this up. Everything fit perfectly.
Verified ownerPentair FNS Plus works really well. Easy to install and has been reliable so far.
Verified ownerGood product for the price. Shipping was fast and packaging was secure.
Verified ownerArrived quickly and worked right out of the box.
Verified ownerPentair FNS Plus works really well. Easy to install and has been reliable so far.
Verified ownerBeen using it for a few weeks and it's been solid.
| Specification | Details |
|---|---|
| Product Model | 180009 |
| Brand | Pentair – FNS Plus Series |
| Filter Type | D.E. (Diatomaceous Earth) Filter (Valve Not Included) |
| Filtration Area | 60 sq. ft. |
| Pool Type | In-Ground Pools |
| Particle Removal | 2–5 Microns |
| Maximum Flow Rate | ~120 GPM |
| Tank Material | Reinforced Polymer |
| Valve Compatibility | Multiport or Slide Valve (Sold Separately) |
| Maintenance | Backwash + D.E. Recharge |
| Warranty | Pentair Limited Warranty |
