Eliminates odors & freshens the air. Experience Febreze freshness & odor-eliminating core. Burn time 25-30 hours. The Febreze freshness you love in an odor-eliminating candle. The Febreze Core contains special odor eliminators that are released into the air as the candle burns to neutralize odors. Scented wax; Febreze core; Wick.