Aquafx Check Valve SKU: FXCV63 Category: Aquarium Accessories Related products Foam Base 12×15 (use 3 For 36″ Tank) (PKT 10) Aquafx 4ft Cabinet & Hood Black 48×18 Assembled (Pickup or local delivery only) Foam Insert Aquaclear Mini / 20 Foam Insert Aquaclear 200 /50