Speakman® O-Ring and Washer Seal, For Use With: Eyesaver® Classic SEF-1000-CA Eyewash Faucet Spout, Eyesaver® Classic SEF-1000-CA-8 Eyewash Faucet 8 in Spout, Eyesaver® Classic SEF-1000-CA-TW Eyewash Faucet Spout with Eyewash TMV, Eyesaver® Classic SEF-1000-ST Eyewash Faucet Spout with Serrated Tip