Pentair Pentek DGD-7525-20 Big Blue Sediment Water Filter, 20-Inch, Whole House Dual-Gradient Density Spun Polypropylene Replacement Cartridge, 20" x 4.5", 25 Micron

Pentair Pentek DGD-7525-20 Big Blue Sediment Water Filter, 20-Inch, Whole House Dual-Gradient Density Spun Polypropylene Replacement Cartridge, 20" x 4.5", 25 Micron

✅ In stock

Grade

💤 Not a Deal

4.07/100

Current Price

$39.72

Listed $42.50

Save $2.78 7% OFF

Analysis Confidence 100%

⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.

Check Deal at Amazon

Price verified Sep 18, 2026 10:19 PM · Prices & availability subject to change

Is This a Good Price on Amazon?

💤 Not a Deal

💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
💰At 37% above its usual rate, this is currently priced higher than what most shoppers have paid.
🏷️The listed retail price is trimmed by 7% at checkout.
📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
➡️Pricing has held fairly steady, with no strong push in either direction.

How We Scored This Deal

Price Competitiveness 0/28

Recent Value 0/22

Market Standing 0.07/20

Deal Strength 0/20

Momentum 4/10

📝 Product Overview

🏪 Sold by Amazon.com

🚚 Shipping Free Shipping

Product Details

✓KEEP YOUR WATER CLEANER - Reduces dirt, sand, silt, and particulates and helps protect your appliances. DGD Big Blue water filter cartridges are designed for purity and will NOT impart taste, odor, or color to your water

✓IDEAL HIGH-FLOW PRE-FILTER - Dual-gradient density design increases filtration from outer to inner surfaces, delivering 3X the dirt-holding capacity of similar size sediment cartridges with less than 1 psi pressure drop at 20 gpm

✓TESTED AND CERTIFIED BY NSF INTERNATIONAL - Certified to NSF/ANSI Standard 42 for material requirements. Manufactured with 100% pure polypropylene for dependable, chemical-compatible performance

✓SIZED FOR USE IN ALL 20-INCH BIG BLUE filter housings and other heavy duty housings. Drop-in replacement for any 20" x 4.5" sediment filter cartridge in whole house and point-of-entry systems

✓REPLACE EVERY 6 MONTHS or when you notice a drop in water pressure or water quality. Operating temperature range: 40-145 degrees F (4.4-62.8 degrees C)