Ability · Gen 4 · 4 Pokémon

Filter

This Pokemon receives 3/4 damage from supereffective attacks.

Filter was introduced in Generation 4. 4 Pokémon and forms can have it (1 as a hidden ability).

Changes type matchups

Every type: super-effective hits reduced: 2× → 1.5×, 4× → 3×

Applied automatically on every weakness page and in the team builder's defensive analysis.

Best Pokémon with Filter

Ranked by usage in public Pokémon Showdown battles (Champions VGC first, then National Dex OU, SV OU and Champions Singles), with how many of each Pokémon's sets actually run Filter.

Filter before and after

Damage taken by Mega Aggron, Mr. Mime and Revavroom without → with Filter.

Attack	Mega Aggron	Mr. Mime	Revavroom
Fire	2× → 1.5×	1×	2× → 1.5×
Fighting	2× → 1.5×	¼×	1×
Poison	0×	2× → 1.5×	0×
Ground	2× → 1.5×	1×	4× → 3×
Ghost	1×	2× → 1.5×	1×
Steel	½×	2× → 1.5×	½×

Pokémon with Filter

As a regular ability (3)

Mr. Mime

Mega Aggron

Mime Jr.

As a hidden ability (1)

Revavroom

Filter FAQ

What does Filter do?

This Pokemon receives 3/4 damage from supereffective attacks.

Which Pokémon have Filter?

4 Pokémon and forms can have Filter, 1 of them only as a hidden ability: Mr. Mime, Mega Aggron, Mime Jr. and Revavroom.

Is Filter a hidden ability?

It depends on the Pokémon. Revavroom has it as a hidden ability, while Mr. Mime, Mega Aggron and Mime Jr. can have it as a regular ability.

What are the best Pokémon with Filter?

By competitive usage, the most used Pokémon that can have Filter are Mega Aggron (#132 in Champions VGC, 100% run Filter), Mr. Mime (#152 in Champions VGC, 24.9% run Filter) and Revavroom (#326 in National Dex OU, 52.2% run Filter).

Does Filter change type matchups?

Yes. Every type: super-effective hits reduced: 2× → 1.5×, 4× → 3×. DexTeam's weakness pages and team builder count this automatically.

Effect text from Pokémon Showdown (MIT); which Pokémon have it from Showdown's Pokédex, cross-checked against PokéAPI. Unofficial fan site.