Feature●1. SIZE: 3.5 inches in diameter.●2. FITMENT: Compatible for most most industry standard size 10” filter housings.●3. MATERIAL: O-Rings made of high-quality and durable rubber. Lightweight and Durable.●4. SEAL LEAK: Can be used in conjunction with any food grade lubricant to provide the largest leak seal for your water filter.(Kindly noted: Replace the O-ring every 1-2 years.)●5. PACKAGE: A set of 3 O-rings.Description