4 bottles for the price of 3 save s on specialist call out fees with our mrs coopers clear spray seal whether its a crack on a pipe roof window guttering drain wall or anywhere that water can seep through a quick spray of mrs coopers spray seal is the fastest way to stop leaks instantly its heavy duty flexible coating gives you a watertight seal to virtually any surface including bricks metals plastic concrete and whats more because its clear it wont be noticeable