- Duck Active Blue Discs provide hygienic and continuous cleaning for the toilet. - Includes 2 refills with 12 gel discs (total 72 ml), easy to apply and without plastic holder. - Each disc releases a fresh fragrance and blue color with every flush, preventing limescale buildup and stains. - 360° gel technology covers the entire bowl, keeping the toilet clean for up to 6 weeks per refill. - Suitable for septic tanks and compatible with most toilets. - Advanced formula with surfactants and fragrance, ideal for households seeking long-lasting hygiene and freshness. - Practical and effective solution for daily bathroom care and cleaning.