--- product_id: 23116220 title: "Tier1 J300 & J400 Hot Tub Filter Replaces Unicel 6CH-961 & 6541-383" brand: "tier1" price: "$182.36" currency: USD in_stock: true category: "Tier1" url: https://www.desertcart.us/products/23116220-tier1-j300-and-j400-hot-tub-filter-replaces-unicel-6ch store_origin: US region: United States of America --- # 40% more debris capture 15.5" x 6.75" perfect fit NSF 50 tested durability Tier1 J300 & J400 Hot Tub Filter Replaces Unicel 6CH-961 & 6541-383 **Brand:** tier1 **Price:** $182.36 **Availability:** ✅ In Stock ## Summary > 💦 Elevate your spa game with the filter that keeps your oasis crystal clear! ## Quick Answers - **What is this?** Tier1 J300 & J400 Hot Tub Filter Replaces Unicel 6CH-961 & 6541-383 by tier1 - **How much does it cost?** $182.36 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/23116220-tier1-j300-and-j400-hot-tub-filter-replaces-unicel-6ch) ## Best For - tier1 enthusiasts ## Why This Product - Trusted tier1 brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Leak-Free Design:** Precision engineering with a 2" SAE threaded bottom for a secure, no-gap fit - • **NSF 50 Certified:** Independently tested for reliable, long-lasting filtration performance - • **Optimized Flow Core:** Ensures steady water circulation without pump strain or heater issues - • **Seamless Compatibility:** Fits top spa models like Jacuzzi J300 & J400 flawlessly - • **Advanced Trilobal Media:** Captures 40% more dirt, hair, and debris for crystal-clear water ## Overview The Tier1 J300 & J400 Hot Tub Filter is a precision-engineered replacement cartridge compatible with leading spa models including Jacuzzi J300 and J400. Featuring advanced trilobal fiber media, it traps 40% more debris while maintaining optimal water flow. Tested to NSF 50 standards, this 15.5" x 6.75" filter ensures durable, leak-free performance that protects your pump and heater for a consistently pristine spa experience. ## Description desertcart.com : Tier1 J300 & J400 Hot Tub Filter Replaces Unicel 6CH-961 & 6541-383 | Spa Filters Replacements for Hot Tub | 15-1/2" x 6-3/4" | Trilobal Fabric | High Flow Design | Consistent Water Filtration : Swimming Pool Cartridge Filters : Patio, Lawn & Garden ## Features - COMPATIBLE MODELS – Replacement for Pleatco PJW60TL-OT-F2S, PJW60TL, Jacuzzi J300 6541-383, J400, Filbur FC-2715, Unicel 6CH-961, SD-00641 filtration cartridges. - DIMENSIONS FOR RELIABLE FIT – This 15-1/2" x 6-3/4" cartridge with a bottom 2" SAE thread is engineered to fit seamlessly into compatible spa filtration systems, supporting consistent performance without leaks or gaps. - TRILOBAL DIRT-LOCK MEDIA – Advanced trilobal fibers capture up to 40% more debris than standard round fibers, trapping dirt, hair, leaves, and fine particles while maintaining maximum water flow. - TESTED TO NSF 50 STANDARDS – Independently tested to NSF protocols for performance and durability, supporting consistent water clarity and reliable filtration. - ENGINEERED FOR CONSISTENT FLOW – Internal high-flow core delivers steady water circulation, protecting pump performance without restricting pressure or causing heater issues like some filters. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B002UK5O5E | | Best Sellers Rank | #41,247 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #117 in Cartridge Pool Filters | | Customer Reviews | 4.7 4.7 out of 5 stars (1,472) | | Item Weight | 2.54 pounds | | Item model number | PAS-1342 | | Manufacturer | Tier1 | | Product Dimensions | 17.5 x 6.68 x 6.68 inches | ## Images ![Tier1 J300 & J400 Hot Tub Filter Replaces Unicel 6CH-961 & 6541-383 - Image 1](https://m.media-amazon.com/images/I/61roNpILWoL.jpg) ![Tier1 J300 & J400 Hot Tub Filter Replaces Unicel 6CH-961 & 6541-383 - Image 2](https://m.media-amazon.com/images/I/31Hfb7XTqLL.jpg) ![Tier1 J300 & J400 Hot Tub Filter Replaces Unicel 6CH-961 & 6541-383 - Image 3](https://m.media-amazon.com/images/I/51ZSmHzqs4L.jpg) ![Tier1 J300 & J400 Hot Tub Filter Replaces Unicel 6CH-961 & 6541-383 - Image 4](https://m.media-amazon.com/images/I/51P1ugzNACL.jpg) ![Tier1 J300 & J400 Hot Tub Filter Replaces Unicel 6CH-961 & 6541-383 - Image 5](https://m.media-amazon.com/images/I/51GwgD7jusL.jpg) ## Available Options This product comes in different **Item Package Quantity** options. ## Frequently Bought Together - Tier1 Pool & Spa Filter Cartridge | Replacement for Jacuzzi J300, J400, 6541-383, Pleatco PJW60TL-OT-F2S, Filbur FC-2715, Unicel 6CH-961, and More | 60 sq ft Pleated Fabric Filter Media - Jacuzzi Proclarity Depth Load Filter, 6473-161 - Hot Tubs & Spas Advanced Filtration Technology for Water Crystal Clear & Relaxation, Depth Cleaning - Jacuzzi 40 sq ft Proclarity Top Filter, 6473-157- Water Clarity & Filtration, Removes Debris & Impurities, Durable, High-Performance for Crystal-Clear Spa Water, Easy Installation & Maintenance --- ## 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/23116220-tier1-j300-and-j400-hot-tub-filter-replaces-unicel-6ch](https://www.desertcart.us/products/23116220-tier1-j300-and-j400-hot-tub-filter-replaces-unicel-6ch) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-13*