Pinit Fluval - FX4 Service Kit w. Impeller & O-Rings(0) No Reviews yet Please log in to see price or purchase this item Out of Stock Quantity discounts available QuantityPrice Add to Cart DetailsDetailsReplacement Impeller & O-Rings for Fluval FX4 aquarium canister filters. Reviews 0 BackRatings & ReviewsNo reviews availableBe the first to Write a Review