Ensure a sparkling clean and fragrant toilet with Sanicare Purpleloo Toilet Blocks. This handy pack contains six blocks, each designed to last for up to three weeks. With every flush, experience the invigorating purple cleansing foam. A bathroom cleaning essential, these blocks will keep your toilet clean, fresh and hygienic. Keep your toilet clean and fresh with these Sanicare Purpleloo Toilet Blocks. In a convenient pack of six, each block lasts up to three weeks, delivering a purple cleansing foam with each flush. These are an essential to your bathroom cleaning supplies.