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Monitor Heater O-Ring  
Small Air Port O-Ring Part # 4016
FREE SHIPPING - USA
Fits:  All Monitor Heaters
SHIPPING:  We ship SAME BUSINESS DAY if payment is received by our daily deadline excluding holidays and when we put our store on vacation or when handling time has been increased temporarily.
FEEDBACK:  Customer satisfaction is our #1 goal and we strive to earn 5 star positive feedback on every item.  If you are pleased with your purchase, we would greatly appreciate if you would take a moment to leave positive feedback.  If you have any issues with your purchase, please contact us directly to resolve the issue so that we can earn your positive feedback.
INTERNATIONAL BUYERS:  Returns are NOT accepted for International Buyers.  We are not liable for lost, damaged or stolen items.  We please advise you to "Buy at your own risk" when purchasing internationally as the package is out of our control once it leaves the United States.  You may incur additional expenses and or fees charged by your country for this item.  The price that you have paid us for shipping only covers shipping the item to you, it does not cover additional fees (import, taxes, etc.) that may be required and collected by your country.
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