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Meet our new design. Everything works as usual, but if anything feels off, give us a ping.

Genuine Penn Plex Now Available

Immerse yourself in Penn Plex’s world of superior design and exceptional value.

Penn-Plax Cascade Canister Aquarium Filter (1000 Elite)

Penn-Plax Cascade Canister Aquarium Filter (1000 Elite)

4.4
$1,609
Penn-PlaxCCF201 Cascade Black Hose Aquarium Filter Part

Penn-PlaxCCF201 Cascade Black Hose Aquarium Filter Part

4.6
$77
Penn-Plax Cascade 20 Power Filter – Mini Hang-On Filter with Quad Filtration – Great for Freshwater and Saltwater Setups, (Model: CPF6)

Penn-Plax Cascade 20 Power Filter – Mini Hang-On Filter with Quad Filtration – Great for Freshwater and Saltwater Setups, (Model: CPF6)

4.0
$158
Penn-PlaxCascade Pro-Z Aquarium Canister Filter Media Bags, Designed for All Filtration Needs – 8 Oz – 2-Pack

Penn-PlaxCascade Pro-Z Aquarium Canister Filter Media Bags, Designed for All Filtration Needs – 8 Oz – 2-Pack

4.7
$166
Penn-Plax Deco-Replicas Granite Aquarium Ornament & Hideaway 8 Piece Set – Realistic Stone Appearance – Safe for Freshwater and Saltwater Tanks – Small, Medium, and Large

Penn-Plax Deco-Replicas Granite Aquarium Ornament & Hideaway 8 Piece Set – Realistic Stone Appearance – Safe for Freshwater and Saltwater Tanks – Small, Medium, and Large

4.2
$287
Penn Plax Air Pod Aquarium Air Pump Ultra Quiet Compact Dome Shape Dual Air Output | Multiple Size Options

Penn Plax Air Pod Aquarium Air Pump Ultra Quiet Compact Dome Shape Dual Air Output | Multiple Size Options

4.0
$92
Penn Plax Cascade 400 Submersible Aquarium Filter Cleans Up to 20 Gallon Fish Tank With Physical, Chemical, and Biological Filtration, CIF2

Penn Plax Cascade 400 Submersible Aquarium Filter Cleans Up to 20 Gallon Fish Tank With Physical, Chemical, and Biological Filtration, CIF2

4.1
$131
Penn-Plax Aquaponic Planter and Aquarium for Betta Fish | Tank Promotes Healthy Hydroponic Environment for Plants and Fish

Penn-Plax Aquaponic Planter and Aquarium for Betta Fish | Tank Promotes Healthy Hydroponic Environment for Plants and Fish

4.5
$310
Penn-PlaxReplacement Media (2 Pack) – Fits Multi-Pore and Undergravel “E” Filters – Provides Chemical Filtration (FC2)

Penn-PlaxReplacement Media (2 Pack) – Fits Multi-Pore and Undergravel “E” Filters – Provides Chemical Filtration (FC2)

4.7
$73
Penn-PlaxCascade 600 Filter Replacement Carbon Cartridges (2 Pack) – Provides Chemical Filtration for Freshwater and Saltwater Aquariums

Penn-PlaxCascade 600 Filter Replacement Carbon Cartridges (2 Pack) – Provides Chemical Filtration for Freshwater and Saltwater Aquariums

4.6
$140
Penn-PlaxCascade 700/1000 GPH Canister Filter Aquarium Bio Sponge Replacement, 1 Pack

Penn-PlaxCascade 700/1000 GPH Canister Filter Aquarium Bio Sponge Replacement, 1 Pack

4.7
$112
PENN-PLAX Reptology Turtle Topper – Above Tank Basking Platform That Safely Mounts to Standard Size Tanks Including 10g, 20L, 20H, 29g, up to 55 Gallons and 13” Wide – Black Color (REP600)

PENN-PLAX Reptology Turtle Topper – Above Tank Basking Platform That Safely Mounts to Standard Size Tanks Including 10g, 20L, 20H, 29g, up to 55 Gallons and 13” Wide – Black Color (REP600)

4.4
$694
Penn-Plax Cascade 8 Oz Pro-C Mixed Aquarium Canister Filter Media Bag – 2-Pack

Penn-Plax Cascade 8 Oz Pro-C Mixed Aquarium Canister Filter Media Bag – 2-Pack

4.7
$193
Penn-Plax Undergravel Aquarium Filter for 15-20 (high) Gallon Tanks – Two 11.2” x 11.25” Plates – Under Gravel System for Clear, Clean Water – Safe for Freshwater and Saltwater Tanks

Penn-Plax Undergravel Aquarium Filter for 15-20 (high) Gallon Tanks – Two 11.2” x 11.25” Plates – Under Gravel System for Clear, Clean Water – Safe for Freshwater and Saltwater Tanks

4.4
$197
Penn-PlaxCascade 1200/1500 GPH Canister Filter Aquarium Bio Sponge Replacement; 1 Pack

Penn-PlaxCascade 1200/1500 GPH Canister Filter Aquarium Bio Sponge Replacement; 1 Pack

4.7
$103
Penn-Plax Cascade 300 GPH Hang On Replacement Media for The Cascade 300 Filter, 3 Pack

Penn-Plax Cascade 300 GPH Hang On Replacement Media for The Cascade 300 Filter, 3 Pack

4.6
$222
Penn-Plax Cascade Canister Aquarium Filter (1500 Elite)

Penn-Plax Cascade Canister Aquarium Filter (1500 Elite)

4.2
FREE
Penn Plax Small World Replacement Filter Cartridge (3 Packages / each Package Contains 2 Filters / 6 Total)

Penn Plax Small World Replacement Filter Cartridge (3 Packages / each Package Contains 2 Filters / 6 Total)

4.6
FREE
Penn-PlaxCascade Pro-C Aquarium Canister Filter Media Bags – 8 Oz – 2-Pack

Penn-PlaxCascade Pro-C Aquarium Canister Filter Media Bags – 8 Oz – 2-Pack

4.8
$112
PENN-PLAX Reptology Shale Scape Step Ledge & Cave Hideout – Basking Area - Decorative Resin for Aquariums & Terrariums – Great for Reptiles, Amphibians, and Fish – Medium

PENN-PLAX Reptology Shale Scape Step Ledge & Cave Hideout – Basking Area - Decorative Resin for Aquariums & Terrariums – Great for Reptiles, Amphibians, and Fish – Medium

4.4
$182
Penn-Plax Bubble Wall Air Diffuser, 7"

Penn-Plax Bubble Wall Air Diffuser, 7"

3.9
$88
Penn-Plax Cascade All-in-One Aquarium Canister Filter – for Tanks Up to 100 Gallons (265 GPH) – Cascade 1000

Penn-Plax Cascade All-in-One Aquarium Canister Filter – for Tanks Up to 100 Gallons (265 GPH) – Cascade 1000

4.3
$1,489
Penn-Plax Cascade 600 Fully Submersible Internal Filter – Provides Physical, Biological, and Chemical Filtration for Aquariums and Turtle Tanks

Penn-Plax Cascade 600 Fully Submersible Internal Filter – Provides Physical, Biological, and Chemical Filtration for Aquariums and Turtle Tanks

4.2
$413
Penn-Plax Cascade 6 Pack Bio-Floss Replacement | Poly Fiber Floss Pads for Cascade 700 & 1000 Canister Aquarium Filters

Penn-Plax Cascade 6 Pack Bio-Floss Replacement | Poly Fiber Floss Pads for Cascade 700 & 1000 Canister Aquarium Filters

4.7
$112
Penn-PlaxCascade Filt-a-Pack Aquarium Canister Filter Media Bag with Bio Rings – 10 Oz – 1-Pack

Penn-PlaxCascade Filt-a-Pack Aquarium Canister Filter Media Bag with Bio Rings – 10 Oz – 1-Pack

4.6
$149
PENN-PLAX AquaTerrium Planting Tank – Hydroponic Aquarium with Integrated Filter System for Live Plants and Fish – 1.85 Gallons

PENN-PLAX AquaTerrium Planting Tank – Hydroponic Aquarium with Integrated Filter System for Live Plants and Fish – 1.85 Gallons

3.8
$1,519
Penn-Plax Reptology Lizard Lounger Corner Triangle with Ladder– 100% Natural Seagrass Fiber – Great for Bearded Dragons, Anoles, Geckos, and Other Reptiles – Large

Penn-Plax Reptology Lizard Lounger Corner Triangle with Ladder– 100% Natural Seagrass Fiber – Great for Bearded Dragons, Anoles, Geckos, and Other Reptiles – Large

4.4
$86
Penn Plax Cascade Pro Carb Canister Filter for Aquariums, 8 Total Filters (4 Packs with 2 Filters in Each Pack)

Penn Plax Cascade Pro Carb Canister Filter for Aquariums, 8 Total Filters (4 Packs with 2 Filters in Each Pack)

4.7
$794
Penn-Plax Reptology Aquatic Turtle Pier and Basking Platform | Floating Above Tank | Decorative, Functional, and Naturally Inspired for Aquariums and Terrariums | Large Size (REP603)

Penn-Plax Reptology Aquatic Turtle Pier and Basking Platform | Floating Above Tank | Decorative, Functional, and Naturally Inspired for Aquariums and Terrariums | Large Size (REP603)

4.2
$311
Penn-Plax Cascade Hang-on Power Filter Replacement Cartridges - 3 Pack

Penn-Plax Cascade Hang-on Power Filter Replacement Cartridges - 3 Pack

4.5
$177
Penn-Plax Play Fur Mice Cat Toys | Mixed Bulk Bag of 12 Play Mice with Rattling Noise | 3 Color Variety Pack - CAT531, Black and White

Penn-Plax Play Fur Mice Cat Toys | Mixed Bulk Bag of 12 Play Mice with Rattling Noise | 3 Color Variety Pack - CAT531, Black and White

4.6
$187
PENN-PLAX Small World Aquarium Air Pump and Filter Kit – Comes with a Disposable Media Cartridge (Bio Sponge, Carbon, and Zeolite Crystals), Multicolor, 1 LB

PENN-PLAX Small World Aquarium Air Pump and Filter Kit – Comes with a Disposable Media Cartridge (Bio Sponge, Carbon, and Zeolite Crystals), Multicolor, 1 LB

4.2
$136
Penn-Plax Cascade 100 Hang-On Filter Replacement Media Cartridge – Disposable Poly Fiber Floss and Activated Carbon – 3 Pack

Penn-Plax Cascade 100 Hang-On Filter Replacement Media Cartridge – Disposable Poly Fiber Floss and Activated Carbon – 3 Pack

4.5
$40
Penn Plax 12-Pack Small World Filter Units and Replacement Cartridges for Small Tanks

Penn Plax 12-Pack Small World Filter Units and Replacement Cartridges for Small Tanks

4.5
FREE
Penn-Plax Cascade Heat Aquarium Heater – Fully Submersible – Great for Freshwater and Saltwater Fish Tanks – 13.5” Length – 300 Watt

Penn-Plax Cascade Heat Aquarium Heater – Fully Submersible – Great for Freshwater and Saltwater Fish Tanks – 13.5” Length – 300 Watt

4.2
$77
Penn-Plax Undergravel Aquarium Filter for 40-55 Gallon Tanks – Four 11.25” x 11.25” Plates – Under Gravel System for Clear, Clean Water – Safe for Freshwater and Saltwater Tanks (CFU55)

Penn-Plax Undergravel Aquarium Filter for 40-55 Gallon Tanks – Four 11.25” x 11.25” Plates – Under Gravel System for Clear, Clean Water – Safe for Freshwater and Saltwater Tanks (CFU55)

4.3
$294
Penn Plax - 3 Step Carpeted Pet Stairs for Both Cats & Dogs - 18" Total Height

Penn Plax - 3 Step Carpeted Pet Stairs for Both Cats & Dogs - 18" Total Height

4.0
$519
Penn Plax Silent Air Battery Operated Aquarium Air Pump for Power Outage Automatic Turn On Keeps Fish Safe

Penn Plax Silent Air Battery Operated Aquarium Air Pump for Power Outage Automatic Turn On Keeps Fish Safe

4.4
$262
Penn-PlaxAS6Q 4-Pack Aqua Mist Air Stone Cylinder Aerator for Fish Tank | Easy to Install to Your Pump | Aerates Your Tank

Penn-PlaxAS6Q 4-Pack Aqua Mist Air Stone Cylinder Aerator for Fish Tank | Easy to Install to Your Pump | Aerates Your Tank

4.5
$85
Penn-Plax Undergravel Aquarium Filter for 10 Gallon Tanks – Two 9.5” x 9.5” Plates – Under Gravel System for Clear, Clean Water – Safe for Freshwater and Saltwater Tanks

Penn-Plax Undergravel Aquarium Filter for 10 Gallon Tanks – Two 9.5” x 9.5” Plates – Under Gravel System for Clear, Clean Water – Safe for Freshwater and Saltwater Tanks

4.3
$131
Penn Plax Filt-A-Carb for Multi-Pore and Undergravel"E" Filters- 6 Total (3 Packs with 2 per pack)

Penn Plax Filt-A-Carb for Multi-Pore and Undergravel"E" Filters- 6 Total (3 Packs with 2 per pack)

4.7
$192
Penn Plax Cascade Canister Aquarium Filter (Cascade Black 700 Elite)

Penn Plax Cascade Canister Aquarium Filter (Cascade Black 700 Elite)

4.3
FREE
Penn-Plax AquaTerrium Fish Tank (REPTT1R) – 2 Chambers, 1 Biological Ecosystem – for Aquaponic, Refugium, and Freshwater Aquarium Setups – 8.4 Gallons, Glass

Penn-Plax AquaTerrium Fish Tank (REPTT1R) – 2 Chambers, 1 Biological Ecosystem – for Aquaponic, Refugium, and Freshwater Aquarium Setups – 8.4 Gallons, Glass

4.0
$1,219
Penn-Plax Bird-Life (BA655) Natural E Cuttlebones | Enriched with Omega 3 and Vitamin B1 | Great for All Birds | 2 Cuttlebone Treats per Package

Penn-Plax Bird-Life (BA655) Natural E Cuttlebones | Enriched with Omega 3 and Vitamin B1 | Great for All Birds | 2 Cuttlebone Treats per Package

4.4
$49
Penn-Plax Undergravel Aquarium Filter for 20 (Long) - 29 Gallon Tanks – Two 14” x 11.1” Plates – Under Gravel System for Clear, Clean Water – Safe for Freshwater and Saltwater Tanks

Penn-Plax Undergravel Aquarium Filter for 20 (Long) - 29 Gallon Tanks – Two 14” x 11.1” Plates – Under Gravel System for Clear, Clean Water – Safe for Freshwater and Saltwater Tanks

4.4
$216
Penn-Plax Cascade 400 GPH Filter Replacement for CIF2 Filter. Bio-Sponge (1 Sponge) – Provides Physical and Biological Filtration for Freshwater and Saltwater Aquariums

Penn-Plax Cascade 400 GPH Filter Replacement for CIF2 Filter. Bio-Sponge (1 Sponge) – Provides Physical and Biological Filtration for Freshwater and Saltwater Aquariums

4.4
$119
PENN-PLAX Reptology Lizard Lounger – 100% Natural Seagrass Fiber – Great for Bearded Dragons, Anoles, Geckos, and Other Reptiles – Extra Large

PENN-PLAX Reptology Lizard Lounger – 100% Natural Seagrass Fiber – Great for Bearded Dragons, Anoles, Geckos, and Other Reptiles – Extra Large

4.6
$303
Penn-Plax Age-of-Magic Wizard’s Castle Aquarium Decoration – Safe for Freshwater and Saltwater Fish Tanks – Extra Large – Part B

Penn-Plax Age-of-Magic Wizard’s Castle Aquarium Decoration – Safe for Freshwater and Saltwater Fish Tanks – Extra Large – Part B

4.7
$714