Trinity Candle Factory Premium Scented Summer Nights - 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 Summer Nights fragrance smells like A warm, cozy scent of a mans cologne. Nice and Inviting. 100% Satisfaction Guarantee.