GE SmartWater FXSVC Under Sink Water Filter, Replacement for Water Filtration System

GE SmartWater FXSVC Under Sink Water Filter, Replacement for Water Filtration System

Dual stage filtration: Water is filtered twice
Includes two filters: Filters fit GXSV10, GNSV25, GNSL05 and GXSL03 filtration systems
Premium filtration: Certified to reduce lead, asbestos, select chemicals and 6 other contaminants
Six-month filter life: For best filtration results, filter should be replaced every six months or 600 gallons
FILTER SET: GE Replacement Water Filter - Filters need replacement every 6 months or 600 gallons Very versatile - can fit into many different systems Protects against cysts, chlorine odor and taste, sediment, rust, and VOC's. The GE FXSVC under sink water filter set includes one pre-filter double open end carbon block filter with gray end caps and one double open end carbon block post filter with green end caps. The filter with gray end caps should be installed in Stage 1 followed by the filter with green end caps in Stage 2

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Installation Instructions - Which Filter Goes First - Field Report
There seems to be a lot of confusion about the installation instructions for GE's dual stage water filter set FXSCV.
Here are my findings.
Instructions: GE clearly states install the green capped filter on the left (inlet) side. See picture.
Weight: I weighed both filters, the green cap was 420 grams and the grey cap 405 grams (~4% difference).
Cross-section: I cut a cross section out of both of my used filters. Both are dense carbon block material. Some in the reviews suggested the first filter was a looser pre-fiter, but both are definitely dense carbon.
Conclusion: While many on this forum disagreed with GE's filter order (about half said the GE instructions are "wrong"). However, after this bit of research I'm going to default to GE's recommendation and have installed the green cap on the left (inlet) side and the grey filter on the right (outlet side). This is what I did on the previous installation and clean tasting water for 6+ months. Note that the instructions say to run 15 minutes = 9 gallons before using. This seems like a lot, however with a 600 gallon target lifetime I'm also going with GE's instruction and will pre-run at least 5 gallons before drinking the water. One more tip: Use a rubber mallet and the provided wrench to break free the sump housings when removing them, as they can be quite stuck in place after a few months. Thanks for reading and good luck.

[adentedesco]

it didn’t come with the food grade silicone grease so do i need to buy my own to lubricate the O-ring