Trinity Candle Factory Premium Scented Autumn Harvest - 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 Autumn Harvest candle has all of the Fall favorites - cinnamon, apple, pumpkin. yum! 100% Satisfaction Guarantee.