Trinity Candle Factory Premium Scented Santa's Surprise Candle - 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. Our Santa's Surprise fragrance smells like bold, spicy freshly ground cloves. A classic Christmas fragrance. 100% Satisfaction Guarantee.