Product Overview

The Pentair FullFloXF FV72 (188625) is a high-efficiency, grid-style diatomaceous earth (D.E.) pool filter with 72 sq. ft. of filter area in a 21.5-inch fiberglass tank, with a built-in backwash valve and 2-inch plumbing. Its enhanced internal design and balanced flow deliver up to 25% greater energy efficiency, superior removal of even the tiniest particles, and longer runs between cleanings. Rated for up to 144 GPM, it suits large, feature-rich in-ground pools.

⚠️ Important Purchase Notice

This filter should be installed by a qualified pool professional in line with local codes and Pentair's installation guide. Allow 92 inches of vertical clearance to remove the lid and internal elements. Please inspect your shipment on arrival and report any shipping damage promptly.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Ideal For

• Large and premium residential in-ground pools
• Pools with water features and high flow demands
• Owners who want the finest filtration available
• Systems plumbed in 2 inch

Key Features

• 72 sq. ft. grid-style D.E. filter
• Built-in backwash valve
• FullFloXF enhanced internal design with balanced flow
• Maximum flow rate of 144 GPM
• 2-inch plumbing connections
• 21.5-inch beige fiberglass tank
• Requires 7.2 lbs of D.E.

Benefits

• D.E. filtration removes even the tiniest particles for crystal-clear water
• Up to 25% greater energy efficiency and lower operating cost
• Longer filtration cycles extend the time between cleanings
• Built-in backwash valve simplifies plumbing and maintenance

Compatibility

The FV72 is designed for residential pools with flow up to 144 GPM and 2-inch plumbing. It is the backwash-valve version of the FullFloXF 72; the F72 (188621) has no valve and uses 2.5-3 inch plumbing. Before ordering, confirm your pump flow rate, plumbing size and available vertical clearance, and confirm the part number 188625 matches your needs.

Installation or Upgrade Context

The FullFloXF FV72 is a common choice for new construction and for upgrading an older or undersized filter on a large pool, especially where a built-in backwash valve keeps the equipment pad simple. At its 144 GPM maximum it can turn over roughly 69,120 gallons in 8 hours, 86,400 gallons in 10 hours or 103,680 gallons in 12 hours. Charge the filter with 7.2 lbs of D.E. after installation and after each backwash.

What’s Included

• Pentair FullFloXF FV72 72 sq. ft. D.E. filter with backwash valve (188625)

Specifications

Warranty

This filter is covered by Pentair's 2-year warranty, subject to Pentair's terms and conditions, including professional installation where required. Pool Supply Depot can provide proof of purchase for warranty claims.

Customer Q&A

What is the difference between 188625 and 188621?

The 188625 is the FV72, with a built-in backwash valve and 2-inch plumbing. The 188621 is the F72, with no valve and 2.5-3 inch plumbing.

What is the maximum flow rate?

Up to 144 gallons per minute.

How much D.E. does it need?

7.2 lbs of D.E.

How much clearance does it need?

Allow 92 inches of vertical clearance to remove the lid and internal elements.

What is the warranty?

Pentair covers it for 2 years, subject to its terms and conditions.

How much does it weigh?

Approximately 115 lbs shipping weight.