“The letter contains a number of falsehoods and is broadly inaccurate,” the spokesperson said.
The deal,announced in August, was already under scrutiny from the FTC.
The agencymade a second requestfor information from both Amazon and iRobot as part of its review of the deal.
The request extends the review process and indicates a higher level of scrutiny.
The FTC has also made a second request for information in that deal.
The scrutiny comes as lawmakers worry about tech companies extending their reach into ever more markets.
On Thursday,the House voted to passa bill that would increase funding to agencies that enforce antitrust laws.
The legislation would do that by raising fees paid to the government during mergers.
Lawmakers have also introduced a broader slate of antitrust legislation aimed at Big Tech companies.
Astro doesn’t vacuum, and Terra was an iRobot product, not an Amazon gear.
Amazon also said that the Roomba competes with all vacuum products, not just robotic ones.