Fluval 100 gal. Tank Capacity Aquarium Filters
Shop by category
154 results
Sort: Best Match
Pre-Owned · Fluval$95.55or Best Offer$12.48 shipping2 watching- $54.59Was: $83.98was - US $83.98Free shipping88 sold
- $22.00$4.08 shipping
- Pre-Owned · Fluval$33.07or Best Offer$16.14 shipping
- Brand New · Fluval$29.00$18.95 shipping1 bid2d 14h
- Brand New · Fluval$68.99$12.99 shipping4 watching
- Brand New · Fluval$200.00$10.00 shipping
- $22.99Free shipping373 sold
- $10.99Free shipping596 sold
- $29.99Free shipping46 sold
- $20.99Free shipping246 sold
- $14.99Free shipping338 sold
- $27.99Free shipping229 sold
- Pre-Owned · Fluval$11.02or Best Offer$7.46 shipping
- Pre-Owned · Fluval$10.28or Best Offer$9.72 shipping
- Pre-Owned · Fluval$16.90or Best Offer$9.72 shipping
- $58.87Free shipping52 watching
- Brand New · Fluval$30.99Free shipping242 sold
- $16.59Free shipping290 sold
- $14.49Free shipping165 sold
- $73.99Free shipping197 sold
- $44.05$35.00 shipping1 bid4d 15h
- $20.99Free shipping223 sold
- $16.47Free shippingOnly 1 left!
- Brand New · Fluval$10.99Free shipping266 sold
- $140.00or Best OfferFree shipping
- $64.99Free shipping12 watching
- $47.99Free shipping86 sold
- $11.28Was: $12.00was - US $12.00$4.08 shipping
- $9.39Was: $9.99was - US $9.99$4.08 shipping12 sold
- Pre-Owned · Fluval$12.49or Best Offer$9.72 shipping
- Brand New · Fluval$245.98Was: $264.49was - US $264.49or Best OfferFree shipping
- $210.98or Best OfferFree shipping
- Pre-Owned · Fluval$107.50$95.08 shipping20 bids15h 53m
- $11.99Free shipping419 sold
- $30.89Trending at $34.55Free shipping45 sold
- $249.99Free shipping
- $22.50Trending at $27.99Free shipping
- Pre-Owned · Fluval$15.43or Best Offer$9.72 shipping
- Brand New · Fluval$209.99or Best Offer$45.74 shipping
- $12.69Free shipping490 sold
- $9.89Trending at $11.99Free shipping
- $84.95$59.10 shipping3 watching
- $11.89Free shipping464 sold
- $9.79Free shipping55 sold
- $10.29Free shipping240 sold
- Brand New · Fluval$11.04Was: $16.98was - US $16.98Free shipping
- Brand New · Fluval$16.99Free shipping109 sold
- $7.69Free shipping43 sold
- $39.99Free shipping
- $14.39Free shipping162 sold
- Brand New · Fluval$119.99Free shipping
- $11.95or Best OfferTrending at $20.99$9.45 shippingOnly 1 left!
- $25.20Was: $28.00was - US $28.00Free shipping
- $9.95or Best OfferTrending at $16.59$9.45 shipping
- $229.99$57.32 shipping95 sold
- Brand New · Fluval$28.99Free shipping
- $25.00or Best Offer$6.00 shipping
- $12.99Free shippingOnly 2 left
- Brand New · Fluval$235.28Was: $252.99was - US $252.99or Best OfferFree shipping
Best selling
Top Rated
- 100% agree - Would recommend$10.99 New
Review highlights
Recommended by our customersBetter water parameters
By gerishmae0
This helps keep my nitrates down by removing excess nitrites. With a slightly overstocked tank these nitrite remover pa... see all reviews
Verified PurchaseBeats a Python Hands Down!
By barfisher
I slaved for years using a typical python to clean my gravel. Bought the Fluval add on to my FX4 and it is amazing. I d... see all reviews
Verified PurchaseFlowing fine!
By eusacoins
Report on my Fluval, changing from Top Fin. Had to wait the month out from my Top Fin filter cleaning change. Didn't wa... see all reviews
Verified PurchaseFluval Fx6 Intake Strainer
By vac14ation
With the much cheaper price ( almost half) I expected a generic part that I could make work anyway. Surprise, what I rec... see all reviews
Verified PurchaseFluval Ultra Violet Clarifier
By khar7879
This purchase for my 1st UVC unit from Fluval, was a game changer. I have a 60G freshwater Amazon planted tank with 5 Di... see all reviews
Verified PurchaseExactly what I needed for my fluval fx5 ...
By tlsr88
Exactly what I needed for my fluval fx5 now it runs like a brand new filter and it's 10yrs old see all reviews
Verified PurchaseFluval Quality
By jo451196
I only replace the original FX4 output nozzle because that one allows more water flow and less turbulence. But that's o... see all reviews
Verified Purchase
