--- product_id: 83318069 title: "Replacement O-Ring Set, 3.5\" OD RO System Housings, 3 Pcs, Black" brand: "apec water" price: "β‚ͺ65" currency: ILS in_stock: true category: "Apec Water" url: https://www.desertcart.co.il/products/83318069-replacement-o-ring-set-3-5-od-ro-system-housings store_origin: IL region: Israel --- # NSF-compliant durable material 3.5" OD exact sizing 3-pack precision fit Replacement O-Ring Set, 3.5" OD RO System Housings, 3 Pcs, Black **Brand:** apec water **Price:** β‚ͺ65 **Availability:** βœ… In Stock ## Summary > πŸ’§ Seal in purity, seal out worries! ## Quick Answers - **What is this?** Replacement O-Ring Set, 3.5" OD RO System Housings, 3 Pcs, Black by apec water - **How much does it cost?** β‚ͺ65 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/83318069-replacement-o-ring-set-3-5-od-ro-system-housings) ## Best For - apec water enthusiasts ## Why This Product - Trusted apec water brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Triple Pack Value:** Includes 3 O-rings so you’re always prepared for timely replacements, maintaining peak system performance. - β€’ **Trusted by Thousands:** Highly rated with 4.6 stars from 572 usersβ€”join the community that refuses to compromise on water quality. - β€’ **Perfect Fit, Zero Leak:** Specifically engineered for APEC RO systems and standard 10" housings to ensure a flawless seal every time. - β€’ **Certified Safe & Durable:** Made from NSF-compliant materials, guaranteeing safety and longevity for your water filtration system. - β€’ **Lightweight & Effortless:** Easy to install and remove, saving you time and hassle during maintenance. ## Overview The APEC Water Replacement O-Ring Set includes three 3.5-inch diameter O-rings designed for APEC Essence and Ultimate RO systems and other standard 10" filter housings. Made from NSF-compliant materials, these lightweight, easy-to-install O-rings ensure a reliable, leak-proof seal. Recommended for replacement every 1-2 years, this set keeps your water filtration system running smoothly and safely. ## Description These durable O-Rings are compatible with APEC Essence and Ultimate reverse osmosis systems and can be used on other 10" standard sized filter housings as well. They are light weight and asy to install, working great with Dow Cornering 111 Compound lubricant or any other brand food type lubricant for maximum leak seal. Recommend to replace O-Rings every 1-2 years. ## Features - IMPORTANT: A set of 3 O-rings for standard filter housings of APEC RO systems. Please kindly check the second gallery image for compatibility of this O-Ring set - Diameter 3.5 inch OD - Light weight, easy install and unload - Manufactured using NSF-compliant materials ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07HFJDPGC | | Best Sellers Rank | #22,038 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #7 in Undersink Water Filtration Replacement Parts | | Brand Name | APEC WATER | | Color | Black | | Customer Reviews | 4.6 4.6 out of 5 stars (572) | | EU Spare Part Availability Duration | 2 years | | Included Components | O-Rings | | Item Diameter | 3.5 inches | | Item Type Name | O-Ring | | Manufacturer | APEC WATER SYSTEMS | | Material Type | NSF-compliant materials | | Model | O-RING-SET-B | | Nominal Inside Diameter | 3.25 inches | | Nominal Outside Diameter | 3.5 inches | | Number of Items | 1 | | Number of Packs | 3 | | Number of Pieces | 3 | | Part Number | O-RING-SET-B | | Set Name | 3-pack | | Temperature Range | 60 to 100 Β°F | | UPC | 851001007532 | | Unit Count | 1 Count | ## Product Details - **Brand:** APEC WATER - **Color:** Black - **Item Diameter:** 3.5 inches - **Material:** NSF-compliant materials - **Nominal Inside Diameter:** 3.25 inches ## Images ![Replacement O-Ring Set, 3.5" OD RO System Housings, 3 Pcs, Black - Image 1](https://m.media-amazon.com/images/I/61yHYw-auZL.jpg) ![Replacement O-Ring Set, 3.5" OD RO System Housings, 3 Pcs, Black - Image 2](https://m.media-amazon.com/images/I/41dKKV-7cNL.jpg) ![Replacement O-Ring Set, 3.5" OD RO System Housings, 3 Pcs, Black - Image 3](https://m.media-amazon.com/images/I/41mMw00aR5L.jpg) ![Replacement O-Ring Set, 3.5" OD RO System Housings, 3 Pcs, Black - Image 4](https://m.media-amazon.com/images/I/41sZkHA-pRL.jpg) ![Replacement O-Ring Set, 3.5" OD RO System Housings, 3 Pcs, Black - Image 5](https://m.media-amazon.com/images/I/41+JAYk4XKL.jpg) ## Questions & Answers **Q: What is different between type A and B?** A: This answer must be old since systems purchased after 6/30/2019 also need Type A. The product description states this. I also called the company to confirm this. **Q: Do these rings float in water?** A: No **Q: I need o-rings for an aquasana filter housing. they are 3.5" od and 1/8" thick. which of these match that?** A: Get it will fit **Q: will these o rings fit aquapure house filter?** A: Hello, these are industry standard 3.5" , designed for APEC pre filter housings. We recommend that you check with the manufacturer of your system for their recommendation on O-Rings. If you need any help or assistance, feel free to give us a call we are happy to help! Best Regards, APEC Support Team 800-880-4808. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.il/products/83318069-replacement-o-ring-set-3-5-od-ro-system-housings](https://www.desertcart.co.il/products/83318069-replacement-o-ring-set-3-5-od-ro-system-housings) --- *Product available on Desertcart Israel* *Store origin: IL* *Last updated: 2026-08-27*