Brand New - Air Filter - Fits Briggs & Stratton Quantum 35 /3.5 - 4 HP- Engine / Motors For model - 399877, 100700 - Fits Generator, Lawn Mower & More! Can also fit on its clone and many models out in the marketGreat PRICE!!OriginalPrice $14.95Buyit now for $4.95 with shipping already included !!Replaces OEM Part Numbers399877100700Items will be shipped according to the type of payment method you chose Items will be ship out within 24 business hours of purchase to USPS Youshould receive your item: inabout 3-5 business days in the lower 48 States(First Class Mail)in about 2-4 business days in the lower 48 States (Priority Mail)in about 1-2 business days in the lower 48 states (Express Mail)in about 7-14 business days if item is shipped internationally (First ClassInternational)inabout 4-7 business days if item is shipped internationally (Global PriorityMail) After purchasing, pay instantly with your credit card through PayPal!