Trinity Candle Factory Premium Scented Lavender - 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 Lavender fragrance is soft and sensual straight from the lavender flower. This fragrance promotes aromatherapy healing power that will help you feel calm and relaxed. A Stress Reliever! 100% Satisfaction Guarantee.