Best Answer: 1) As the person above said: carbon, hydrogen, and oxygen. 2) No. This is unless we consider formic acid as a fatty acid (CH2O2), but the definition of a fatty acid is a carboxylic acid with a LONG unbranched aliphatic tail that is either saturated or unsaturated.
When the tubing is cool, the warm and moist air may condense in the tubing. Not only will you not get the benefit of the moisture, but it can collect and drip into your face or gurgle with the air flow. It is often worse when the bedroom environment is cool or cold compared to the temperature of the pressurized air.
What is PEX tubing? PEX (crosslinked polyethylene) tubing is a specially designed plastic tubing with distinctive properties that make it ideal for radiant floor heating and plumbing systems. Uponor produces PEX-a tubing, which is considered the superior type of PEX. What is Wirsbo hePEXâ¢? Wirsbo hePEXâ¢ is crosslinked polyethylene (PEX-a) heat-transfer tubing that features a patent-pending oxygen-barrier coating technology for closed-loop hydronic heating and cooling applications.