--- product_id: 2183690 title: "Pentair Pentek 150233 Big Blue 20\" x 4.5\" Filter Housing | Holds 20-Inch Big Blue Cartridges, 1-Inch NPT Ports, High-Flow Polypropylene Cap with Pressure Relief Button" brand: "pentek" price: "$307.87" currency: USD in_stock: true category: "Pentek" url: https://www.desertcart.us/products/2183690-pentair-pentek-150233-big-blue-20-x-4-5-filter store_origin: US region: United States of America --- # 1" NPT high-flow ports Fits all 20" Big Blue cartridges Heavy-duty polypropylene housing Pentair Pentek 150233 Big Blue 20" x 4.5" Filter Housing | Holds 20-Inch Big Blue Cartridges, 1-Inch NPT Ports, High-Flow Polypropylene Cap with Pressure Relief Button **Brand:** pentek **Price:** $307.87 **Availability:** ✅ In Stock ## Summary > 💧 Elevate your water game with Big Blue’s heavy-duty flow power! ## Quick Answers - **What is this?** Pentair Pentek 150233 Big Blue 20" x 4.5" Filter Housing | Holds 20-Inch Big Blue Cartridges, 1-Inch NPT Ports, High-Flow Polypropylene Cap with Pressure Relief Button by pentek - **How much does it cost?** $307.87 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/2183690-pentair-pentek-150233-big-blue-20-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 - • **Pressure Relief Button:** Built-in safety for easy cartridge changes without mess - • **Durable High-Flow Design:** Robust polypropylene cap with 1" NPT inlet/outlet ports - • **Maximize Filtration Capacity:** Extra-large 20" housing reduces vessel count for high flow - • **Chemical Resistant & Versatile:** Compatible with a broad range of chemicals for whole house use - • **Universal Cartridge Compatibility:** Fits all Pentair Pentek 20" Big Blue & 4.5" diameter filters ## Overview The Pentair Pentek 150233 Big Blue Filter Housing is a 20-inch heavy-duty water filtration solution featuring a high-flow polypropylene cap with 1" NPT ports and a pressure relief button. Designed to fit all Pentair Pentek 20" Big Blue cartridges, it offers extra-large capacity for high flow-rate applications, ensuring efficient whole-house filtration with chemical resistance and durability. ## Description Pentair Pentek Big Blue Heavy Duty Filter Housings offer the versatility to meet all of your large-capacity filtration needs, including highflow and heavy-sediment applications. The extra large housing allows for greater cartridge capacity, reducing the number of vessels required for high flow-rate applications. Sumps are available in both 10" and 20" lengths. The High-Flow Polypropylene (HFPP) cap is available with 3/4", 1" or 1-1/2" NPT inlet and outlet ports. The 1-1/2" internal port allows a greater volume of liquid to pass through the HFPP cap more rapidly. Big Blue Housings are compatible with a broad range of chemicals and are available with or without a pressure relief button. They accept a wide variety of 4-1/2" diameter cartridges. ## Features - FITS ALL Pentair Pentek 20" Big Blue cartridges and any 20" x 4.5" heavy duty filter cartridge - EXTRA LARGE HOUSING allows for greater cartridge capacity, reducing the number of vessels required for high flow-rate applications - DOES NOT INCLUDE MOUNTING HARDWARE or wrench. Specs are 1" NPT inlet and outlet port on high-flow polypropylene (HFPP) cap ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0014C3IOS | | Best Sellers Rank | #11,139 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Industrial Process Filter Housings | | Brand Name | Pentek | | Customer Reviews | 4.4 4.4 out of 5 stars (595) | | External Testing Certification | NSF, ANSI | | Global Trade Identification Number | 00051678502334 | | Item Dimensions D x W x H | 10"D x 10"W x 24"H | | Item Type Name | Whole House Heavy Duty Water Filter Housing with High-Flow Polypropylene (HFPP) Cap and Pressure Relief Button, 20-Inch, Black/Blue | | Item Weight | 2.2 Pounds | | Manufacturer | Pentair Industries | | Manufacturer Part Number | 150233 | | Material Type | Polypropylene (PP) | | Model Number | 1" Big Blue NPT | | Number of Items | 1 | | Product Benefits | Heavy duty high low filter housing 1" port holds 20" x4.5 cartrdige. Genuine Pentair Pentek housing | | Set Name | Big Blue | | UPC | 051678502334 | | Unit Count | 1.0 Count | ## Product Details - **External Testing Certification:** NSF, ANSI - **Item Weight:** 2.2 Pounds - **Material:** Polypropylene (PP) - **Product Dimensions:** 10"D x 10"W x 24"H ## Images ![Pentair Pentek 150233 Big Blue 20" x 4.5" Filter Housing | Holds 20-Inch Big Blue Cartridges, 1-Inch NPT Ports, High-Flow Polypropylene Cap with Pressure Relief Button - Image 1](https://m.media-amazon.com/images/I/51gx4XdW1eL.jpg) ## Frequently Bought Together - Pentair Pentek 150233 Big Blue Filter Housing, 1" NPT #20 Whole House Heavy Duty Water Filter Housing with High-Flow Polypropylene (HFPP) Cap and Pressure Relief Button, 20-Inch, Black/Blue - Aquaboon Whole House Mounting Bracket for 10" and 20" Water Filter Housing, Compatible with Pentek 244047, 150578, MC-1A, 150061 - Pentair Pentek DGD-5005-20 Big Blue Water Filter, 20-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 20" x 4.5", 5 Micron, Pack of 1, White --- ## 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/2183690-pentair-pentek-150233-big-blue-20-x-4-5-filter](https://www.desertcart.us/products/2183690-pentair-pentek-150233-big-blue-20-x-4-5-filter) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-28*