Trinity Candle Factory Premium Scented Wisteria - 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 Wisteria fragrance smell just like the Wisteria flower. Very Nice! 100% Satisfaction Guarantee.