Hayward Open Line ProSeries 18" Sand Filter
Sand Filter
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For enhanced peace of mind, consider upgrading to the Hayward Expert Line version, which offers a comprehensive 3-year warranty. You can view the Expert Line version here.
LIMITED INVENTORY AVAILABLE
The Hayward ProSeries 18" Sand Filter is a reliable and efficient filtration system designed for above-ground pools and residential in-ground spas. This top-mount filter utilizes advanced features to provide superior water clarity with minimal maintenance.

Key Features:
- Durable, corrosion-proof tank made from color-fast polymeric material
- Integral top diffuser ensures even distribution of unfiltered water over the sand bed
- Self-cleaning underdrain assembly with 360° slotted laterals for balanced flow and thorough backwashing
- Available with a 7-position VariFlo control valve for maximum flow at lower pressure drop
- Large pressure sand/water drain for rapid winterizing or servicing
Benefits:
- Efficient Filtration: Provides crystal clear pool water with minimal maintenance
- Long-Lasting Performance: Durable construction ensures years of reliable operation
- Easy Maintenance: Large drain port allows for quick servicing and winterizing
- Versatile: Suitable for above-ground pools and residential in-ground spas
Warranty:
1-Year Manufacturer’s Warranty
Sand Capacity:
This filter requires 150 lbs (68 kg) of #20 silica sand.
Specifications:
- Maximum Working Pressure: 50 PSI
- Design Flow Rate: 40 GPM
- Effective Filtration Area: 1.75 sq. ft.
- Pool Type: Above Ground, In-Ground Spas
- Connection Size: 1.5"
- Warranty: 1 Year Limited Manufacturer's Warranty
For optimal performance and longevity, always consult the product manual and follow proper installation and maintenance procedures.
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