Trinity Candle Factory Premium Scented Cedar Wood - Effusion Lamp Oil - 8 oz. Catalytic Lamp / Effusion Oil is for your Lampe Berger, Redolere, La Tee Da, or Stone Wick Lamps. Truly a great product. Trinity Candle Factory's catalytic lamp oil is great for any stone wick lamp assembly. This Cedar Wood candle Smells like fresh cut cedar wood. Nice woody soft earthy fragrance. Very Nice! 100% Satisfaction Guarantee.