Designed for easy replacement of existing marine toilets without drilling new mounting holes, the Matro Marine Compact 99 Manual Toilet Soft Close Seat is compatible with many other leading brands. Suitable for installation above or below the waterline, it features a self-priming pump with reversible left- or right-hand mounting for flexible installation. Waste can be discharged either overboard or into a holding tank, while the soft-close seat enhances onboard comfort. Features: • Reversible left- or right-hand pump mounting • Full-size external seal housing for quick seal replacement and easy pump access • Angled pump design with a long stroke for smoother, more comfortable operation • Innovative brake bushing helps prevent handle leakage