Trinity Candle Factory Premium Scented French Rose - 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 French Rose fragrance a smooth blend of beautiful roses and softening vanilla. 100% Satisfaction Guarantee.