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Unicel 18" Filter Grid for Astral/Pac Fab/American/Hayward | PG-1903

Unicel SKU: PG-1903
Unicel 18" Filter Grid for Astral/Pac Fab/American/Hayward | PG - 1903 - Pool Filter Parts - img - 1

Unicel 18" Filter Grid for Astral/Pac Fab/American/Hayward | PG-1903

Unicel SKU: PG-1903
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Unicel PG-1903 DE Filter Grid – 36 sq ft

The Unicel PG-1903 is a high-quality replacement DE filter grid, designed to deliver reliable filtration performance and superior debris removal. With 36 square feet of filtration area, it is ideal for maintaining clean, clear pool water in DE filter systems.

Key Features:

  • 36 square feet of premium-grade polyester filtration media
  • Measures approximately 18" length × 9.75" width
  • Durable construction for extended life and resistance to wear
  • Vertical grid configuration compatible with select DE filters
  • Easy installation and secure grid collar with open slot & notches

Technical Specifications:

  • Model / SKU: PG-1903
  • Filtration Area: 36 sq ft
  • Dimensions: ~18" L × 9.75" W
  • Material: Woven polypropylene grid cloth
  • Grid Type: Partial / Short DE Grid

For Use With:

  • Pentair / Pac-Fab FNS DE Filters
  • Pentair / Pac-Fab Nautilus NS DE Filters
  • American Products Titan DE Filters
  • Astral DE Filter Systems
  • Waterway Crystal Water DE Filters
  • Most DE filters requiring 18" short grid components

Maintenance Tip: Inspect DE grids seasonally for signs of wear, fraying, or clogging. Replace individual damaged grids like the PG-1903 to maintain system efficiency and avoid uneven filtration pressure.

SKU: PG-1903

Questions about returns? View our return policy.

Hours Of Operation: 

Monday - Friday: 8:00 am to 4:00 pm Phoenix Time

Saturday and Sunday: Closed

  • Orders costing more than  $300 WILL be required to have signature confirmation upon delivery.
  • Handling time is typically only 1 day.   
  • Any item ordered after 1pm Phoenix time, may not ship same-day.
  • Call us if you require expedited shipping and we can give you quotes based on your needs.

Return Policy:

  • All products, except as noted below, are eligible for return up to 30 days after receipt of item.
  • For returns, an RMA form must be filled out HERE or customers can call for additional help.
  • Shipping costs will be deducted from all returned items.
  • Any item that is missing accessories, original packaging, or is not returned in the same condition that it was received in, may be subject to a re-stocking fee up to 100% based on the condition we receive it in. 
  • Items broken, damaged, or inoperable due to installer error will not be refunded.
  • Fill out the return form or give us a call to obtain an RMA and return shipping label.
  • There are no returns on the Pentair Colorsync 618031
  • No returns on pool cleaners.
  • No returns on opened seals and o-rings.
  • No returns on capacitors.
  • If a light is returned because it "doesn't work" and it tests fine, the cost to ship and a re-stocking fee will be deducted from the refund.
  • All products denied upon arrival at customers house WILL be charged the cost to ship.
  • Visa Gift Card Promotions: Gift cards are sent within 14 days of the order. When accepting the Visa Gift card, you agree that if your order is returned or refunded, this amount will be deducted from the refunded amount. All Visa Gift cards are sent via email in an E-Gift Card format and are non refundable.