In-Situ - Aqua TROLL RDO-X Cap Replacement Kit (P/N: 0079790) - OVERVIEW
Manufactured by:  In-Situ

The RDO-X replacement cap should last up to 2 years, depending on use. It fits onto the Aqua TROLL RDO sensor 0063450 (which was fitted with the RDO-X cap when purchased) or the Aqua TROLL RDO sensor 0038520 (fitted with the RDO Fast Cap when purchased).