Ensure a leak-free seal for your water filtration system with this premium 3-pack of 3.5 in. O-rings. Designed for easy installation, these certified O-rings are essential for maintaining standard 10 in. reverse osmosis housings during filter changes.

• Includes a set of 3 O-rings specifically designed for APEC ULTIMATE and ESSENCE RO systems.
• Standard 3.5 in. O.D. size ensures compatibility with most 10 in. industry-size reverse osmosis housings.
• Manufactured using certified materials for reliable, long-lasting performance.
• Lightweight design allows for easy installation and removal during routine maintenance.
• Essential replacement part to prevent leaks when changing pre-filters.