John Guest O-rings

John Guest Fitting Replacement O-rings. Available in 1/4", 3/8" and 1/2"

  1. JG Replacement O-ring
    John Guest Replacement O-Ring 1/4" - 5-Pack
    John Guest CP-R08I-S 1/4" Replacement O-ring - 5 PER PACK Learn More
    $7.79 Special Price $4.99 As low as $3.99
  2. JG Replacement O-ring
    John Guest Replacement O-Ring 3/8" - 5-Pack
    John Guest CP-R121-S 3/8" Replacement O-ring - 5 PER PACK Learn More
    $8.79 Special Price $5.49
  3. JG Replacement O-ring
    John Guest Replacement O-rings 1/2" 5 -PACK
    John Guest CP-R081-S 1/2" Replacement O-ring- 5 PER PACK Learn More
    $8.99 Special Price $5.99
  4. Molykote-From DOw Corning- 111 Compound-6 Gram O-ring Silicone Lubricant & Sealant-Dow-111-5-gram-1000
    Dow Corning/ Molykote ® 111 6 gram O-ring Silicone Lubricant and Sealant - Be sure to lube your O-rings to help prevent leaks.
    Dow Corning/ Molykote ® 111 6 gram O-ring Silicone Lubricant and Sealant - 6 gram pillow pack. (like a ketchup packet) Great O-ring sealant and lubricant. FDA and NSF approved. (Do Not Use Petroleum Jelly As It May Break Down O-rings Or Housings) This is the same premium grade silicone sealant and lubricant used in underwater photography cameras, scuba gear and other underwater applications that simply can't afford leaks. Why not use the best for your reverse osmosis or drinking water filtration system? Learn More
    $5.99 Special Price $3.99 As low as $1.79
  5. Dow Corning/ Molykote 111 5 oz. O-Ring Silicone Sealant-1000
    Dow Corning/Molykote ® 111 5 oz. O-Ring Silicone Sealant - Be sure to lube your O-rings to help prevent leaks
    Dow Corning/MolyKote 111 ® 5.3 ounce Tube of O-Ring Silicone Sealant and Lubricant. FDA and NSF approved. Simply the best! (Do Not Use Petroleum Jelly As It May Break Down O-rings Or Filter Housings) This is the same premium grade silicone sealant and lubricant used in underwater photography cameras, scuba gear and other underwater applications that simply can't afford leaks. Why not use the best for your reverse osmosis or drinking water filtration system? Learn More
    $24.99 Special Price $17.49 As low as $16.95