RapidsealsRapidSeals Watertight Tank Wall Seals RapidSeals make it easy to achieve a secure, watertight connection through your tank wall without the need for a perfectly flat surface. Specially designed to seal effectively through corrugations and slight curves, RapidSeals are ideal for use with overflow outlets, tank to tank connections, and other plumbing setups. Key Features: Creates a watertight seal through tank walls Can be fitted to corrugated or