Replacement plastic cone for 12 diameter cans. Used in ATQ160, ATQ180, AV1200, AV2600, AV3600, AV4000, BL12, BV100, DC1020, DC1100, DC1200, DC1200AC, P110, P112, P125P, P225, S1600, S1660, S2600, S2800, SR12, SR14, SR46.

Small end faces to the bottom. Large end fits between the two rolled ribs in the top can just below the intake line from the house. Should be able to see about half of the cone when you unlatch the bottom can.