Compatibility verdict
Does RF-3375 fit PFM400H?
Model: PFM400H
Part: RF-3375
Fit summary
PUR PFM400H is a faucet system, so use faucet replacement cartridges rather than PUR pitcher filters.
RF-3375 compatibility details for PUR PFM400H
Compatibility verdict
Yes, this replacement is marked as a confirmed fit.
Compatible model
PUR PFM400H · PUR PLUS PFM400H Faucet Filtration System
OEM status and part number
RF-3375 is marked as OEM in the replacement data.
Replacement interval
About every 3 months or 100 gallons
Source confidence explanation
FitCheckr shows this compatibility check with a 88% confidence score based on 3 source signals. Higher confidence means more consistent source evidence, not lab testing.
PUR faucet cartridges do not fit PUR pitcher or dispenser systems. Match the faucet mount housing.
- Marketplace title says universal fit but does not mention PFM400H.
- The old part number on your device does not match RF-3375 or its known family.
- The listing photo looks close, but the latch, seal, bag type, or frame shape differs.
Does RF-3375 fit PUR PFM400H?
Yes, this replacement is marked as a confirmed fit.
Which model is RF-3375 listed for?
RF-3375 is shown on FitCheckr for PUR PLUS PFM400H Faucet Filtration System (PFM400H). Always confirm the exact model number on your device before choosing a replacement.
Is RF-3375 an OEM part?
RF-3375 is marked as OEM in the current FitCheckr data. Use the official source page when warranty or certification matters.
What should I check before choosing a replacement?
Check your exact device model, the existing part number, manufacturer instructions, replacement interval, and any latch, seal, chip, bag, cartridge, or frame differences.
What is this confidence score based on?
3 public source signals are currently reflected in this fit check. FitCheckr combines official pages, manuals, support documents, retailer listings, and public discussion summaries where available.
3 public source signals checked. FitCheckr weighs official pages, manuals, support docs, retailer listings, and public discussion summaries before showing a fit verdict.