Read the complete MODEL code on the refrigerator label.
Whirlpool lists WRF535SWHZ10 with everydrop Filter 4 (EDR4RXD1), and WRF535SWHZ11 with Filter A (EDRARXD1) The final 10 or 11 determines which of these two documented matches applies.
WRF535SWHZ10 takes Filter 4; WRF535SWHZ11 takes Filter A. Your label’s layout may differ.Choose only the row that matches your label
The base code WRF535SWHZ may appear in sales information. It leaves out the service revision needed for this choice. Do not choose by refrigerator appearance or by the lower price of a cartridge.
| Complete model | Required family | Filter reference |
|---|---|---|
| WRF535SWHZ10 | everydrop Filter 4 | EDR4RXD1 |
| WRF535SWHZ11 | everydrop Filter A | EDRARXD1 |
Open your model’s filter answer
For WRF535SWHZ10, open the Filter 4 answer. For WRF535SWHZ11, open the Filter A answer. Each page keeps the model, cartridge and buying option together.
If your last digits differ, neither row is a confirmed match for your appliance. Keep the complete code and ask Whirlpool for the required cartridge; do not shorten it to fit this table.