--- product_id: 27418260 title: "Pentair Pentek 166219 Big Clear 10\" x 4.5\" Filter Housing, 1\" NPT" brand: "pentek" price: "$410.08" currency: USD in_stock: true category: "Pentek" url: https://www.desertcart.us/products/27418260-pentair-pentek-166219-big-clear-10-x-4-5-filter store_origin: US region: United States of America --- # 15 GPM high flow Clear Lexan sump Built-in pressure relief Pentair Pentek 166219 Big Clear 10" x 4.5" Filter Housing, 1" NPT **Brand:** pentek **Price:** $410.08 **Availability:** ✅ In Stock ## Summary > 💧 Clear, powerful filtration that keeps your home flowing flawlessly. ## Quick Answers - **What is this?** Pentair Pentek 166219 Big Clear 10" x 4.5" Filter Housing, 1" NPT by pentek - **How much does it cost?** $410.08 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/27418260-pentair-pentek-166219-big-clear-10-x-4-5-filter) ## Best For - pentek enthusiasts ## Why This Product - Trusted pentek brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Durable polypropylene and reinforced design withstands up to 100 psi and temperatures up to 100°F for reliable, long-term use. - • **High-Flow Powerhouse:** Supports up to 15 gallons per minute with minimal pressure drop—perfect for whole-house filtration without compromise. - • **See It to Believe It:** Transparent Lexan sump lets you visually monitor water clarity and filter status—no guesswork, no downtime. - • **Effortless Maintenance:** Integrated pressure relief button ensures safe, hassle-free cartridge changes every time. - • **Universal Cartridge Compatibility:** Fits all 10-inch heavy-duty Big Blue cartridges—sediment, carbon, or specialty filters, tailored to your needs. ## Overview The Pentair Pentek 166219 Big Clear 10" x 4.5" Filter Housing is a heavy-duty, whole-house water filtration solution designed for high-flow applications up to 15 GPM. Featuring a transparent Lexan sump for easy visual inspection and a built-in pressure relief button for safe maintenance, it supports all standard 10-inch heavy-duty cartridges. Constructed from durable polypropylene, it withstands pressures up to 100 psi and temperatures up to 100°F, making it ideal for residential and commercial water filtration needs. ## Description Pentek's Big Blue filter housings offer the versatility to meet all of your large-capacity filtration needs, including high-flow and heavy-sediment applications. The PENTEK-BIG-CLEAR-LX-10 is manufactured from durable polypropylene and has excellent chemical resistance. The BIG-CLEAR-LX-10 housing is compatible with a wide variety of heavy duty filter cartridges and offers on-site examination of flow, performance and cartridge life making it ideal for many residential and commercial applications. ## Features - HEAVY DUTY WHOLE HOUSE FILTRATION - Designed for high-flow applications with a 1-inch NPT connection and support for flow rates up to 15 gpm with only 1 psi pressure drop. - CLEAR SUMP FOR VISUAL MONITORING - Transparent Lexan sump allows on-site inspection of water flow, cartridge condition, and remaining filter life without disassembly. - PRESSURE RELIEF FOR EASY MAINTENANCE - Built-in pressure relief button allows safe depressurization before opening the housing for cartridge replacement. - FITS ALL 10-INCH HEAVY DUTY CARTRIDGES - Compatible with any 10-inch x 4.5-inch Big Blue or heavy duty sediment, carbon, or specialty filter cartridge. - DURABLE CONSTRUCTION - Reinforced polypropylene cap and Lexan sump with Buna-N o-ring. Overall dimensions are 13.30 x 7.28 inches. Rated for temperatures of 40-100 degrees F and maximum pressure of 100 psi. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B004H36N66 | | Best Sellers Rank | #54,421 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #519 in Replacement Under-Sink Water Filters | | Brand Name | Pentek | | Capacity | 180 cubic inches | | Container Type | Cartridge | | Customer Reviews | 4.4 4.4 out of 5 stars (889) | | Global Trade Identification Number | 00799932590597 | | Installation Type | Under Sink | | Item Dimensions L x W x H | 7"L x 7"W x 12"H | | Item Type Name | Whole House Heavy Duty Water Filter Housing with Pressure Relief Button, 10-Inch, Blue/Clear | | Item Weight | 5.4 pounds | | Manufacturer | Pentek | | Material Type | Polypropylene (PP) | | Model Name | Big Clear Filter Housing, 1" NPT #10 | | Model Number | 166219 | | Number of Items | 1 | | Number of Packs | 1 | | Other Special Features of the Product | Heavy Duty Clear Lexan Housing | | Part Number | 166219 | | Power Source | Manual | | Purification Method | Distillation | | UPC | 799932590597 807032970802 809390001488 806294982516 808112758587 809188527480 | | Unit Count | 1 Count | | Upper Temperature Rating | 100 °F | ## Product Details - **Brand:** Pentek - **Capacity:** 180 cubic inches - **Installation Type:** Under Sink - **Item Weight:** 5.4 pounds - **Material:** Polypropylene (PP) - **Package Information:** Cartridge - **Power Source:** Manual - **Product Dimensions:** 7"L x 7"W x 12"H - **Purification Method:** Distillation - **Special Feature:** Heavy Duty Clear Lexan Housing ## Images ![Pentair Pentek 166219 Big Clear 10" x 4.5" Filter Housing, 1" NPT - Image 1](https://m.media-amazon.com/images/I/315oN5JQzKL.jpg) ![Pentair Pentek 166219 Big Clear 10" x 4.5" Filter Housing, 1" NPT - Image 2](https://m.media-amazon.com/images/I/51HMD-s8LPL.jpg) ![Pentair Pentek 166219 Big Clear 10" x 4.5" Filter Housing, 1" NPT - Image 3](https://m.media-amazon.com/images/I/41Vpju3OmOL.jpg) ![Pentair Pentek 166219 Big Clear 10" x 4.5" Filter Housing, 1" NPT - Image 4](https://m.media-amazon.com/images/I/31rBVizkwLL.jpg) ![Pentair Pentek 166219 Big Clear 10" x 4.5" Filter Housing, 1" NPT - Image 5](https://m.media-amazon.com/images/I/71UnGiE135L.jpg) ## Available Options This product comes in different **Pattern, Color, Size, Style** options. ## Frequently Bought Together - Pentair Pentek 166219 Big Clear Filter Housing, 1" NPT #10 Whole House Heavy Duty Water Filter Housing with Pressure Relief Button, 10-Inch, Blue/Clear - Pentair Pentek DGD-5005 Big Blue Water Filter, 10-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 10" x 4.5", 5 Micron, Pack of 1 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/27418260-pentair-pentek-166219-big-clear-10-x-4-5-filter](https://www.desertcart.us/products/27418260-pentair-pentek-166219-big-clear-10-x-4-5-filter) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-25*