Pentair Pentek DGD-2501-20 Big Blue Water Filter, 20-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 20" x 4.5", 1 Micron, Pack of 1, White

Pentair Pentek DGD-2501-20 Big Blue Water Filter, 20-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 20" x 4.5", 1 Micron, Pack of 1, White

✅ In stock

Grade

💤 Not a Deal

2.67/100

Current Price

$41.10

Listed $42.48

Save $1.38 3% 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 8:21 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 34% above its usual rate, this is currently priced higher than what most shoppers have paid.
🏷️The listed retail price is trimmed by 3% at checkout.
📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.

How We Scored This Deal

Price Competitiveness 0/28

Recent Value 0/22

Market Standing 2.67/20

Deal Strength 0/20

Momentum 0/10

📝 Product Overview

🏪 Sold by Fresh Water Systems, Inc.

🚚 Shipping Free Shipping

Product Details

✓KEEP YOUR WATER CLEAN and protect your appliances by removing dirt, sand, silt and particulates. DGD Pentek Big Blue water filter cartridges by Pentair are designed for purity and will NOT impart taste, odor or color to your water

✓IDEAL HIGH-FLOW PRE-FILTER. Filter density increases toward the cartridge's center resulting in superior particulate reduction and 3X the dirt holding capacity of similar size sediment cartridges

✓TESTED AND CERTIFIED BY NSF INTERNATIONAL to NSF/ANSI Standard 42 for your peace of mind. Manufactured with 100% pure polypropylene

✓SIZED FOR USE IN ALL 20 inch Pentek Big Blue filter housings (or other heavy duty filter housings) and can replace any 20 inch x 4.5 inch sediment filter cartridge

✓REPLACE EVERY 6 MONTHS or when you notice a drop in water pressure or water quality for best results and performance