in 37 offers
The lowest price for Fluval U3 Foam Insert right now is $8.00 at New Life Aquarium Keysborough, compared across 32 retailers.
The all-time low was $6.88 on 1 Oct 2026 — today's price is 16% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 30 Oct 2026.
Fluval U3 Foam Insert
Last updated at 30/10/2026 22:26:31
Fluval U3 Underwater Filter Foam Pad
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Fluval U Series Filter Media
Fluval U3 Foam Insert 2 Pack
30-day returns
Fluval U3 - Foam Insert 2
Free delivery between Tue – Thu
Fluval U3 Foam Pad (2 pk)
Free delivery by Tue
Fluval U3 Foam Insert 2 Pack
Delivery between 3–10 Nov $12.50
Fluval U3 Foam Insert 2pk
Free delivery between Tue – Wed
Fluval U3 Foam Insert 2pk
Delivery $15
Fluval U3 Foam Insert 2pk
Delivery between 5–11 Nov $9.70
Fluval U Foam Insert for U1 U2 U3 U4 Filters | PeekAPaw U3 (2 Pack)
Delivery between 4–9 Nov $6.31
| Filtration Capacity | 40 gal. |
| Product Type | Filter pad |
| Tank Size | 40 gal |
| Water Type | Freshwater, Marine |
| Animal Type | Reptile |
Fluval U3 Underwater Filter Foam Pad
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Fluval U Series Filter Media
Fluval U3 Foam Insert 2 Pack
30-day returns
Fluval U3 - Foam Insert 2
Free delivery between Tue – Thu
Fluval U3 Foam Pad (2 pk)
Free delivery by Tue
| Filtration Capacity | 40 gal. |
| Product Type | Filter pad |
| Tank Size | 40 gal |
| Water Type | Freshwater, Marine |
| Animal Type | Reptile |
