Abies Sibirica essential oil is beneficial for acute chronic bronchitis, chills, coughs, sinusitis, arthritis, muscular aches and pain, rheumatism, colds, fever, and flu. Fir needle is grounding, immune stimulating, antiseptic, anti-catarrhal, and anti-arthritic. It benefits the nervous system for debility, asthenia tension, stress, and a sedative, yet it is elevating to the mind.