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Water Filtration Systems Parts Comparison - September 2025
| 1 Best Choice  9.8Exceptional | 2  9.6Exceptional | 3  9.5Excellent | 4  9.4Excellent |
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ModelAPEC Water Systems ROES-50 Essence Series Top Tier 5-Stage WQA Certified Ultra Safe Reverse Osmosis Drinking Water Filter System with Extra High Capacity Pre-Filter Set Stage 1-3 | Model PHOENIX GRAVITY Polypropylene Hole Blockers for All Gravity-Fed Water Filtration Systems - PP Plugs Compatible with Berkey, Waterdrop, Purewell, and Other Countertop Water Filter Systems | Model APEC Water Systems Replacement ORing for ROES-50 3.5" OD Reverse Osmosis Water Filter Housings, O-Ring (3 pcs O-Ring-Set-B) | Model APEC Water Systems Auto Shut Off Valve Replacement Part (ASO) |
BrandAPEC WATER | Brand PHOENIX GRAVITY | Brand APEC WATER | Brand APEC WATER |
Reviews | Reviews | Reviews  | Reviews |
Tech Specs | |||
product dimensions16 x 5.25 x 17.5 inches 25 Pounds | product dimensions - | product dimensions 4.77 x 3.47 x 0.28 inches | product dimensions 6.1 x 3.15 x 1.81 inches 1.76 ounces |
Available On  | Available On | Available On | Available On  |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1APEC WATER40% OffAPEC Water Systems ROES-50 Essence Series Top Tier 5-Stage WQA Certified Ultra Safe Reverse Osmosis Drinking Water Filter System with Extra High Capacity Pre-Filter Set Stage 1-3
Why we love it
Removes 99% of impurities.
Easy installation process.
Superior water taste quality.
Main highlights- WQA Certified System. Premium long-lasting filters used to treat tap water, well water. Provide unlimited clean, refreshing crisp tasting water superior to bottled water
- System comes with 100% lead-free designer faucet, plus Certified JG premium grade tubing and parts to provide safe, impurity-free pure water. Pipe Size:1/4 inches
- Supreme quality – Designed and engineered using only premium components to ensure high performing and durable reverse osmosis system for years
- Rated water filter brand with 20 years of success guaranteeing trouble free, noise-free system for long lasting, dependable, pure drinking water
- Only technology to remove up to 99% of impurities including arsenic, chlorine, lead, fluoride, heavy metals, and 1000 plus impurities. Max Total Dissolved Solids - 2000 ppm. Feed Water Pressure 40-85 psi
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9.6
2PHOENIX GRAVITY
PHOENIX GRAVITY Polypropylene Hole Blockers for All Gravity-Fed Water Filtration Systems - PP Plugs Compatible with Berkey, Waterdrop, Purewell, and Other Countertop Water Filter Systems
Why we love it
Durable and long-lasting material.
Easy to insert and remove.
Safe for water contact.
Main highlights- 𝐒𝐚𝐟𝐞 𝐚𝐧𝐝 𝐒𝐞𝐜𝐮𝐫𝐞: Made from food-grade plastic, these hole blockers are safe for direct contact with water, ensuring the purity of your filtered water.
- 𝐏𝐞𝐫𝐟𝐞𝐜𝐭 𝐅𝐢𝐭 𝐚𝐧𝐝 𝐄𝐚𝐬𝐲 𝐭𝐨 𝐔𝐬𝐞: Designed to fit precisely into our Phoenix Gravity water filter, these plugs are easy to insert and remove, ensuring a secure seal and preventing leaks. Compatible with Phoenix Gravity, Berkey, Waterdrop, and PureWell Gravity-fed water filter systems.
- 𝐇𝐢𝐠𝐡-𝐐𝐮𝐚𝐥𝐢𝐭𝐲 𝐂𝐨𝐧𝐬𝐭𝐫𝐮𝐜𝐭𝐢𝐨𝐧: Crafted from heat-resistant and impact-resistant plastic, this plug withstands daily wear and tear, maintaining its integrity under various conditions. Compatible with all gravity-fed water filter systems.
- 𝐄𝐬𝐬𝐞𝐧𝐭𝐢𝐚𝐥 𝐀𝐜𝐜𝐞𝐬𝐬𝐨𝐫𝐲: These hole blockers are an essential accessory for your water filter, allowing you to customize its functionality and optimize its performance.
- 𝐃𝐮𝐫𝐚𝐛𝐥𝐞 𝐚𝐧𝐝 𝐋𝐨𝐧𝐠-𝐋𝐚𝐬𝐭𝐢𝐧𝐠: Crafted from high-quality, durable plastic, these hole blockers are built to withstand daily use and maintain their functionality over time.
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9.5
3APEC WATER
APEC Water Systems Replacement ORing for ROES-50 3.5" OD Reverse Osmosis Water Filter Housings, O-Ring (3 pcs O-Ring-Set-B)
Why we love it
NSF-compliant materials ensure safe water filtration.
Lightweight design makes installation easy.
Durable and prevents leaks efficiently.
Main highlights- Manufactured using NSF-compliant materials
- Light weight, easy install and unload
- 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
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