Pentair CNC Plus Filter Tank Bottom Assembly, Almond | 178578 Pool Pumps Technicians replace this diffuser when

Technicians replace this diffuser when troubleshooting low pressure or when a wet end has been apart for seal service

Once the front and rear sections start breaking down

enabling easy disposal and quick liner changes

Uses filter sand media

Genuine systems maintain platform compatibility

Pentair CNC Plus Filter Tank Bottom Assembly, Almond | 178578 Pool Pumps Technicians replace this diffuser whenWhat This Part Is Used For Pentair 178578 Tank Bottom Assembly CNC Plus Almond is the lower tank housing for compatible CNC Plus filter systems in almond finish. It forms the base of the filter tank and supports internal components. Why This Part Matters A damaged tank bottom can cause leaks and compromise filter integrity. Replacing it restores secure containment and stable performance. Proper housing helps maintain consistent filtration cycles. Key