The highest quality products for church use are produced under the "Aeterna" brand. Recommended in the liturgy as Eternal Light. They consist of 100% of pure vegetable oil, with no chemical additives. The Aeterna oil lamp containers are made of a microbiologically biodegradable material called Biocellat®, consisting of cellulose acetate, which can be safely disposed of in compost in a cemetery or with municipal waste, and even incinerated without harmful residues. They have the RAL certificate, which means constant, independently tested and proven quality of products. The lamps have a CERTIFICATE OF THE NATIONAL PUBLIC HEALTH INSTITUTE - National Institute of Hygiene No. PZH / BT-3542/2018 for use: outdoors in lanterns, indoors in a glass cover.