Product Information Material: Aluminum Select a Product Part NumberIncludesComponent MaterialOutletLength 3090MASAnti-tamper securityWhite silicone flapper3" Cam & Groove Adapter12-1/2" 3090MBSAnti-tamper securityWhite silicone flapper4" Cam & Groove Adapter12-1/2" 3090MA-DCWhite silicone flapper3" Cam & Groove Adapter14-1/2" 3090MAWhite silicone flapper3" Cam & Groove Adapter12-1/2" 3090MBWhite silicone flapper4" Cam & Groove Adapter12-1/2" 3091MAMetal flapper3" Cam & Groove Adapter12-1/2" 3091MBSAnti-tamper securityMetal flapper4" Cam & Groove Adapter12-1/2" 3090FWhite silicone flapper4" female NPT11-1/2" 3091MBMetal flapper4" Cam & Groove Adapter12-1/2" 3090MSAnti-tamper securityWhite silicone flappernot included9-5/8" 3090MWhite silicone flappernot included9-5/8"