Bioscape Diaphram 2000 Air Pump 2 Pack

• Matched to the Air Pump 2000 – identified from Bioscape's own part numbering (BIS52 pump → BIS52A diaphragm), the same pairing pattern Bioscape uses across its Tropic air pump range.
• Two per pack – enough to service one pump twice, or keep a spare on hand.
• Restores pressure and quiets the pump – a worn diaphragm is the usual cause of a pump that's gone weak or started rattling.
• Cheaper than a new pump – the motor and housing keep working; only the wearing part needs replacing.

Identified from Bioscape's part numbering as the diaphragm for the Bioscape Tropic Air Pump 2000 (BIS52) – a single-outlet pump rated at roughly 2.3 litres per minute, for tanks up to about 50 litres. It is not the diaphragm for the 500/1000, 3000, or 4000/8000 pumps in the same range – check your pump's model number before ordering.

• Suitable for: servicing a Bioscape Tropic Air Pump 2000 (BIS52).
• Not suitable for: other Bioscape Tropic pump sizes (500/1000, 3000, 4000/8000) or other brands' air pumps.

Replace the diaphragm once the pump's output noticeably drops or it starts running noisier than usual – both are the usual signs the rubber has hardened or perished. Bioscape hasn't published a fixed replacement interval; go by performance rather than the calendar.

Covered by your consumer guarantee rights under Australian Consumer Law if it arrives faulty. Ships as a small parcel.

Will this fit my Bioscape Air Pump 3000 or 4000/8000?

No. Each Air Pump size in the Tropic range has its own diaphragm – this one is for the 2000 (BIS52) only.

How do I know if my pump needs a new diaphragm?

Weaker airflow than it used to have, or a noticeably noisier or rattling motor, are the two usual signs.

How many diaphragms come in the pack?

Two.