Bref is an expert in cleaning toilets. Pronature packaging is made with 100% recycled cardboard and a block of 100% recycled plastics. Its unique formula is made from natural ingredients, without silicone. The fragrance is biodegradable and 99% inspired by nature to provide long-lasting freshness and an intense scent of grapefruit. Environmentally friendly but still effective, the active cleaning keeps the toilet clean, prevents limescale build-up, and ensures cleaning foam, dirt protection, and increased freshness.