INFLATABLE DONUT PILLOW: Easy to inflate & deflate, this rubber donut-shaped ring cushion makes sitting for a long time more comfortable. This cushion is a great sitting pillow and will help relieve hemorrhoid pain, tailbone pain, and sciatica.
Medical Oxygen Regulator flow range 1_15Lm;1_Lmin,input pressure 150 bar,Output pressure 2bar_3 bar,with control pressuse of safety valve, included 1 pc nasal oxyhen cannula.
